Best Appsmith Alternatives in 2026: 12 Internal Tool Builders Compared

Updated August 2026

If you are leaving Appsmith because the jump from Business to Enterprise at 100 users just blew up your budget, Budibase and ToolJet are the closest open-source, self-hosted swaps, UI Bakery is the closest thing to a genuinely free self-hosted builder with a nicer interface, and Knack is the tool to pick if you realize your team never actually needed the SQL and JavaScript canvas. Retool is where you land if the opposite is true and you want more of that canvas, not less. Every tool below was evaluated on licensing model, self-hosting reality, user-cap structure, and total cost at scale, with each price checked against the vendor's own pricing page in August 2026 and clearly labelled where a vendor publishes none.

It is written for engineering managers, IT directors, and operations leads at organizations of 10 to 500 people who are either renewing an Appsmith Business contract or shopping before signing one. The comparison that actually matters here is not feature-for-feature. It is the licensing question, because Appsmith's own pricing page hides two completely different products behind one brand, and almost every article about it collapses them into one misleading sentence.

Key Facts

• Gartner forecasts spending on low-code development technologies to grow 19% to reach $44.5 billion by 2026, as reported by InfoWorld.
• By 2026, developers outside formal IT departments will make up at least 80% of the user base for low-code development tools, up from 60% in 2021, per Gartner, as reported by InfoWorld.
• Low-code development tools will account for 75% of new application development by 2026, up from 40% in 2021, per Gartner, as reported by InfoWorld.
• A composite organization modelled in Forrester's Total Economic Impact study of Microsoft Power Apps saw a 206% three-year ROI with payback in under six months, per the Forrester TEI study commissioned by Microsoft.
• IT teams spend 39% of their time building custom integrations, and 80% of organizations name data silos their biggest barrier to automation and AI goals, per the 2025 MuleSoft Connectivity Benchmark Report, which surveyed 1,050 IT leaders.
• Companies that empower citizen developers, exactly the audience most of these self-hosted and open-source builders target, score 33% higher on innovation than bottom-quartile companies, per McKinsey's Developer Velocity research.

Quick Comparison Table

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Two Different "Free" Ideas Hide Behind Every Comparison

Almost every unhappy Appsmith evaluation traces back to the same confusion, and it is worth stating plainly before anything else. Appsmith advertises itself as free and open source, and that claim is true, but it describes two completely different offers depending on where you read it.

Appsmith Cloud's Free plan is $0 and caps out at 5 users, 5 workspaces, and 3 Git repositories, with community support only. That is a trial, not a real deployment for any team past a handful of people. Appsmith Community edition, on the other hand, is genuinely free, genuinely open source under the Apache 2.0 licence, and genuinely unlimited on users, because you are running it on your own servers and Appsmith is not metering logins at all. "Appsmith is free for unlimited users" is true only of that second thing. Paste it into a comparison of the cloud product and you have written something false.

That same split runs through the entire category, and it is the real axis this article is organized around, not feature checklists. Some alternatives ship an open-source licence you can read, fork, and run yourself with no ceiling on who logs in. Others only offer a capped free trial on their own cloud, dressed up in the same "free" language, with no self-hosted path at any price. Confusing the two is how a team ends up budgeting for infrastructure they never needed, or budgeting for a per-seat bill they thought they had escaped.

The test takes thirty seconds. Ask whether the vendor will let you download the source and run it with zero users capped, forever, for $0. If yes, you are looking at Budibase, ToolJet, or Appsmith's own Community edition. If the answer is "yes, but only our binary, not the source," that is Retool or UI Bakery, still a real cost saver at scale, just not an open-source one. Everyone else on this list is a cloud product with a free trial, full stop, and no amount of reading the pricing page differently changes that.

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1. Budibase - the closest open-source swap, self-hosted and genuinely unlimited

Budibase is the tool most technical Appsmith refugees land on first, because it makes the same promise Appsmith's Community edition makes and keeps it the same way. Self-host the open-source core and you get unlimited creators, unlimited end users, and unlimited apps and automations, for a licence cost of zero. Where it diverges from Appsmith is the building experience: Budibase leans more design-first, with autogenerated screens and a component library that feels closer to a polished no-code tool than Appsmith's heavier SQL-and-JavaScript canvas.

The trap to watch is the same one Appsmith cloud sets, wearing different numbers. Budibase's cloud pricing bears no resemblance to its self-hosted economics. Extra creators cost $50 each per month and end users $5, so a cloud deployment with a real headcount can land in five figures a year while the identical self-hosted build costs infrastructure and a maintainer's time. Decide the deployment model on purpose, the same way you should have with Appsmith, rather than discovering the difference on an invoice.

Pricing: Self-hosted open source is free with unlimited actions, apps, automations, and users on one workspace. Cloud Pro is $19 per month billed yearly ($22.80 monthly) with 5,000 actions yearly (10,000 monthly) and 1 creator. Premium is $49 per month yearly ($58.80 monthly) with 20,000 to 50,000 actions and 10 workspaces, plus additional creators at $50 per creator per month and end users at $5 per user per month. Business is $299 per month billed yearly with 250,000 actions and 3 creators, per Budibase's pricing page.

Best for: Teams of 10 to 500 who want Appsmith's self-hosted, free-forever model with a friendlier, more design-first builder.

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2. ToolJet - open-source and auditable, but paid even when you host it

ToolJet is the other open-source name that comes up in the same breath as Appsmith, licensed under AGPL v3 with an active public repository you can read line by line. It has repositioned around AI-assisted app generation in 2026, but the core is the same drag-and-drop internal tool builder with a query panel underneath, close enough to Appsmith's shape that migrating a simple internal dashboard is a weekend project, not a rebuild.

The distinction that actually matters for an Appsmith switcher is easy to miss and worth stating directly: ToolJet's free tier is real but small, capped at 2 builders and 50 end users, and once you cross it, self-hosting stops being free. ToolJet's own pricing mirrors cloud pricing on a self-hosted deployment, so unlike Budibase or Appsmith's Community edition, running the AGPL source on your own servers does not remove the per-builder bill past the free tier. You get the auditability of open source without the "host it yourself and stop paying" outcome most people assume comes with that licence.

Pricing: Free is $0 per builder, up to 2 builders, 2 apps, 50 end users, and 100 AI credits a month. Pro is $79 per builder per month with up to 50 end users. Team is $199 per builder per month with up to 100 end users. Enterprise starts from $3,000 a month with unlimited end users. Annual billing saves 20%, and self-hosted deployments carry the same per-builder pricing as cloud, per ToolJet's pricing page.

Best for: Small technical teams who can stay inside the free 2-builder, 50-user tier, or teams willing to pay per builder specifically for ToolJet's AI generation features even while self-hosting.

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3. Retool - more developer polish, priced by role instead of a flat user cap

Retool is where Appsmith switchers land when the frustration runs the opposite direction: not that the platform costs too much, but that the no-code layer got in the way and five minutes of SQL would have solved it faster. It is low-code by design, drag components onto a canvas, then write real queries and JavaScript against any API or database, and ops and engineering teams end up here when the data lives in four systems and nothing else can see across all of them cleanly.

The pricing shape is genuinely different from Appsmith's, and that matters for the migration math. Appsmith counts every login, builder or viewer, toward the same user cap. Retool splits builders, internal users, and external users into three separate rates, with the first 50 external users free on Business. If your Appsmith app was mostly internal staff with a handful of builders, that split usually comes out cheaper than Appsmith's flat per-user Business rate. If it served hundreds of outside users, Retool's banding turns expensive fast, and Appsmith's flat $15 per user reads better by comparison right up until the Enterprise cliff.

Pricing: Free covers up to 5 users and 500 workflow runs a month. Team bills builders at $10 per month annually ($12 monthly) and internal users at $5 ($7 monthly). Business bills builders at $50 per month annually ($65 monthly) and internal users at $15 ($18 monthly). External users on Business are free from 0 to 50, then $8 per month annually for 51 to 250, $6 for 251 to 500, and $4 above 500, per Retool's pricing page.

Best for: Engineering-supported teams of 20 to 1,000 who hit a wall inside Appsmith's canvas and want more control, plus fewer than about 50 external users.

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4. UI Bakery - a nicer builder with a real free self-host tier, minus the open code

UI Bakery is the answer for teams who liked exactly one thing about Appsmith's self-hosting story and wanted the rest of the product to feel newer. Its free plan, on cloud or self-hosted, includes unlimited apps, unlimited data sources, and unlimited public users at $0, which is a closer echo of Appsmith Community's "genuinely free, genuinely unlimited" promise than anything else paid competitors offer. The builder itself is more polished, with a component library and layout system that reads as more finished than Appsmith's utilitarian canvas.

The honest trade is the one the licence table above makes explicit. UI Bakery is not open source. You can self-host the platform for free, but you cannot read, audit, or fork the code the way you can with Budibase, ToolJet, or Appsmith itself. For teams whose actual requirement was data residency or infrastructure control rather than licence philosophy, that distinction rarely matters. For teams that specifically wanted an auditable open-source stack, it is the whole point, and UI Bakery does not clear that bar.

Pricing: Free is $0 per month on cloud or self-hosted, with unlimited apps and data sources and unlimited public users, community support only. Builder is $25 per developer monthly ($20 annually), adding environments, app export, and up to 50 workspace viewer seats. Team is $40 per developer monthly ($35 annually), adding role-based access control, audit logs, and premium support. Enterprise is custom, with 50-plus workspace viewer seats, dedicated infrastructure, and custom SSO, per UI Bakery's pricing page.

Best for: Teams who want Appsmith's free self-hosted economics with a more modern interface, and do not need the code itself to be open source.

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5. Microsoft Power Apps - the enterprise graduation, on Microsoft's terms

Power Apps is where an Appsmith migration goes if the real driver is consolidating onto Microsoft 365 and Azure rather than saving money. It builds real business apps on Dataverse, with native ties into Teams, SharePoint, and the rest of the Power Platform, which matters enormously if those systems already hold your data and your identity provider is Entra ID.

Be careful with the number most comparisons still quote. The cheap "$5 per user per app" plan that used to headline every Power Apps pricing summary was pulled from Microsoft's own pricing page and from the January 2026 Power Platform licensing guide, with end of sale for new customers beginning 2 January 2026. Reporting suggests it survives for some customers depending on purchasing channel (EA and CSP retained access, MPSA did not), which is a channel question for your Microsoft reseller, not something to budget from a third-party listicle. What the vendor page actually shows today is Power Apps Premium at $20 per user per month on annual billing, or $12 for 2,000-plus seat deployments, plus a free Developer plan explicitly marked not for production and a pay-as-you-go Azure metered option with no published per-app rate.

Pricing: Power Apps Developer Plan is free, for building and testing, explicitly not for production. Power Apps Premium is $20 per user per month on annual billing, with unlimited apps plus Dataverse; a 2,000-plus seat rate brings that to $12 per user per month. Dataverse database capacity beyond what's included is $40 per GB per month. Pay-as-you-go through an Azure subscription is referenced but its per-app meter rate is not published on the pricing page, per Microsoft's Power Apps pricing page.

Best for: Enterprises of 200-plus already licensing Microsoft 365 or Azure who want internal tools built directly on Dataverse.

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6. Xano - the backend Appsmith's own database layer can't scale to

Xano solves a different half of the Appsmith complaint than the other tools on this list. Some teams never had a problem with Appsmith's builder; they had a problem with the database underneath straining once real traffic and real record volumes showed up. Xano is a no-code backend, a scalable Postgres API layer with authentication, background tasks, and instant REST or GraphQL endpoints, meant to be paired with whatever frontend you like, no-code or hand-coded.

That pairing is also the catch. Xano does not give you a visual app builder at all, so choosing it means picking a second tool for the interface, which is a bigger architectural decision than swapping one app builder for another. It also does not offer a self-hosted or open-source path; Xano is cloud-only, and pricing is workspace- and usage-based rather than tied to how many people log in, which is unusual in this list and worth knowing before you try to map it onto the other tools' per-user math.

Pricing: Free is $0, with a Postgres database up to 100,000 records, 1 workspace, 1GB of watermarked image storage, and a 10-request-per-20-second rate limit. Essential is $85 per month billed annually. Pro is $224 per month billed annually. Enterprise pricing is by quote, per Xano's pricing page.

Best for: Technical teams of 5 to 200 whose real bottleneck was the database, paired with a separate frontend or no-code builder.

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7. Knack - true no-code for teams who never needed the SQL canvas

Knack is worth a serious look for a specific kind of Appsmith refugee: the team that adopted Appsmith because it was open source and free-sounding, then discovered every meaningful screen still required someone comfortable writing SQL or JavaScript. Knack skips that requirement entirely. You define objects and fields, then build pages, forms, and portals with logins, roles, and record-level rules, no query panel required.

The pricing shape is also the cleanest answer to Appsmith's Enterprise cliff on this whole list: Knack charges per account, not per user, and every plan includes unlimited logins. There is no moment at 100 users where the bill jumps 68% overnight the way Appsmith's does. What you give up for that simplicity is Appsmith's flexibility. Knack cannot reach into an arbitrary API or write a custom SQL query the way Appsmith, Retool, or Budibase can, and its builder feels a full generation behind Appsmith's canvas visually.

Pricing: Starter is $49 per month billed annually, $59 billed monthly (a $19 monthly intro rate applies for the first 3 months), with 20,000 records. Pro is $110 per month billed annually, $130 billed monthly ($49 intro for 3 months), with 50,000 records. Corporate starts at $250 per month billed annually, spanning 125,000 to 2.5 million records. All plans include unlimited users, per Knack's pricing page.

Best for: Non-technical teams of 2 to 50 building an external-facing portal who want Appsmith's licence simplicity without the SQL or the seat cliff.

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8. Zoho Creator - the ecosystem play for existing Zoho customers

Zoho Creator is a genuine low-code application platform, models data and generates web and mobile apps with workflow logic written in Deluge, Zoho's own scripting language. It builds real customer-facing apps and handles mobile more natively than Appsmith does out of the box.

The reason to pick it over Appsmith is almost never the builder itself. It is that your CRM, help desk, books, and HR records already live inside Zoho, and Creator reads them natively rather than through an integration you have to maintain and monitor, which is exactly the kind of custom-integration tax the MuleSoft benchmark above puts a number on. If you already hold a Zoho One licence, Creator's marginal cost may be close to zero, worth checking before pricing anything else on this page. If you are not a Zoho customer today, the calculus flips hard: Deluge is one more language to learn on top of whatever you already know from Appsmith, and Zoho will not publish a price you can budget against without a sales conversation.

Pricing: Zoho Creator's public pricing page lists Standard, Professional, Enterprise, and a custom Flex plan, plus a free edition limited to one app and a 15-day trial, but it did not render its price table when checked in August 2026. Third-party listings (reported) put Standard at around $8 per user per month, Professional at around $20, and Enterprise at around $25, all billed annually, per Capterra's Zoho Creator pricing listing. Confirm everything with Zoho before budgeting.

Best for: Companies of 10 to 500 already standardized on Zoho who want apps sitting directly on existing records.

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9. Bubble - when the real need was a customer-facing product, not an internal tool

Bubble belongs on this list for a different reason than the other eleven: plenty of people searching "Appsmith alternatives" are not actually looking for another internal-tools platform, they are trying to build a public-facing product and picked the wrong category of tool the first time. Bubble is a full web app builder, authentication, payments, marketplaces, complex conditional logic, the kind of thing Appsmith was never designed to ship to paying customers.

Its free plan is real and, per Bubble's own pricing FAQ, comes with more than enough workload to build almost anything during development, though free and Agency plans cannot buy workload tiers or enable overages, since they're designed for building rather than running production traffic. Every paid plan includes 100,000 monthly workload units for its development environment, and overage without a tier subscription runs $0.30 per 1,000 workload units. If your actual problem was internal dashboards, Bubble is the wrong tool entirely; it solves a genuinely different job.

Pricing (web-only / mobile-only / web plus mobile): Starter is $32 / $49 / $69 monthly, $29 / $42 / $59 annually. Growth is $134 / $199 / $249 monthly, $119 / $169 / $209 annually. Team is $399 / $529 / $649 monthly, $349 / $449 / $549 annually. Enterprise is custom. Workload overage beyond the included allowance runs $0.30 per 1,000 units, per Bubble's pricing manual.

Best for: Founders and product teams building a customer-facing web app or SaaS product, where an internal-tools builder was never the right category to begin with.

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10. Glide - mobile-first, when the users carry a phone instead of a laptop

Glide solves the one job Appsmith has never been particularly graceful at: a genuinely good mobile experience for people who are not sitting at a desk. Technicians, inspectors, drivers, and site supervisors get something that behaves like a native app rather than a responsive web page shrunk down, built from a table instead of a mobile framework.

Glide is mid-migration to GlideOS right now, and its own properties currently disagree with each other, which is worth flagging plainly rather than picking a side. The live pricing page shows a credit-based set: Free (1 project, limited credits), Solo at $25 a month (5 projects, 100 credits, database included), Team at $125 a month starting at 5 members, and custom Enterprise, with only monthly figures shown, no published annual rate. Glide's help centre, meanwhile, still documents a separate Classic set (Explorer, Maker, Business) without labelling it superseded. Confirm which rate card your account is actually on before budgeting anything.

Pricing: Free covers 1 project with limited credits. Solo is $25 per month with 5 projects, 25GB storage, and a database included. Team is $125 per month starting at 5 members with 50 credits per member, 100GB storage, and unlimited apps. Enterprise is custom. Only monthly rates are shown, per Glide's pricing page; Glide's help centre separately documents an older Classic plan set that has not been labelled retired.

Best for: Teams of 2 to 50 building mobile-first internal or field apps where a known, countable group of users needs something that feels native on a phone.

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11. Softr - a modern client portal on data you already have

Softr exists for teams that have the data problem solved and the interface problem wide open. It sits on top of a source you already run, usually Airtable, Google Sheets, HubSpot, or its own included store, and turns it into a branded, permissioned client portal or membership site in an afternoon. If your complaint about Appsmith was that even a finished app still looked utilitarian, this is the most direct answer here.

Softr repriced on 5 August 2026, so treat any third-party figure older than that as stale, including most of what still circulates in other listicles. The billing model bands by builder and app-user count per plan rather than a flat per-seat charge, which makes a portal serving a few hundred people a plan tier rather than a line-item explosion the way per-seat pricing would. The trap to avoid is treating Softr as a system of record. It is a front end. If the data still lives in Airtable underneath it, you inherit Airtable's record caps and bill on top of Softr's own subscription.

Pricing: Free is $0, up to 3 builders and 5 combined app users. Basic is $25 monthly, $19 annually, with 1 builder and 5 team plus 5 client users. Pro is $119 monthly, $99 annually, with 2 builders and up to 50 team plus 250 client users. Business is $395 monthly, $329 annually, with 3 builders and up to 100 team plus 500 client users. Enterprise is custom. Extra app users run $1 to $5 a month, extra builders $5 to $24, depending on tier, per Softr's pricing documentation.

Best for: Teams of 2 to 50 who need a good-looking client portal this month and already have somewhere to keep the underlying data.

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12. Airtable - when you never needed an app at all, only a shared database

Airtable earns the last slot for the mirror-image reason Bubble earns an early one: some Appsmith apps were never really apps. They were a database with a form bolted on, built by a team that reached for a low-code platform because that was the tool they knew, when a shared grid with good views would have done the entire job for less money and less maintenance.

Airtable is the category default for internal structured data, a familiar grid, real relational links, and alternate views (kanban, calendar, gallery, Gantt) over the same records, with more templates and integrations built around it than the rest of this list combined. What disappears if you move an Appsmith build here is anything resembling a real external-facing portal. There are no logins with record-level rules for outside users, and record caps arrive by tier, 1,000 on Free, 50,000 per base on Team, 125,000 on Business. If any part of the app you're replacing serves people outside your organization, Airtable cannot take that part of the job.

Pricing: Free covers 1,000 records per base. Team is $20 per seat per month billed annually, $24 monthly, with 50,000 records per base. Business is $45 per seat per month billed annually, $54 monthly, with 125,000 records per base. Enterprise Scale is custom. Read-only collaborators, form submissions, and share links are not charged, per Airtable's pricing page.

Best for: Internal teams of 5 to 100 whose Appsmith build never actually had an external user logging into it.

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When Appsmith Is Still the Right Call

This category rewards staying put more often than most alternatives articles admit, and Appsmith earns that in a specific way. Its self-hosted Community edition is real Apache 2.0 code, permissively licensed, with no user ceiling and no vendor lock-in beyond your own willingness to maintain a server. Very few tools on this page match that combination of a genuinely permissive licence and a genuinely unlimited free tier at the same time; Budibase comes closest, ToolJet asks you to keep paying past its free tier even when self-hosted, and every proprietary alternative here, UI Bakery included, only gives you the "run it yourself" half of the deal.

Below the 99-user line, Appsmith's Business plan is also simply competitive: $15 flat per user with no premium for builders is easy to model and easy to explain to finance. The problem is specifically the jump at 100, not the product underneath it, and if your headcount growth is slow or your team is happy self-hosting, that jump may never actually arrive.

Licence and Hosting at a Glance

Total Annual Cost: Where Appsmith's 100-User Cliff Actually Bites

This is the comparison that decides the migration question, and it is exactly the point where Appsmith's pricing stops being a slope and becomes a step. One scenario: 10 people who build and maintain your internal tools, plus 90 more who only need to view or use them, 100 people total. Annual billing where a vendor offers it, first year, before any underlying database a front-end-only tool does not include.

Three things fall out of that table. Appsmith's self-hosted Community edition and Budibase's self-hosted open source are the only two genuinely free options at any headcount, which is the strongest argument for either if your team can operate a server. The Enterprise cliff is real and severe: crossing from 99 to 100 users on Appsmith Business costs more than the jump from Knack's cheapest plan to Retool's Business tier. And the tools priced by workload or workspace rather than headcount (Bubble, Knack, Xano) are the cheapest options on this table precisely because they never asked how many people log in.

Sizing and Persona Table

How to Choose: Decision Framework

Choose by deployment model first, then by the job: open-source self-hosting, developer control, ecosystem fit, mobile delivery, portals, or a simpler shared database.

If your actual need turns out to be workflow automation glued to Appsmith rather than the app builder itself, best n8n alternatives, best Zapier alternatives, and the best workflow automation software guide cover that adjacent category directly. For the other Caspio-style application platforms and no-code databases this cluster overlaps with, best Caspio alternatives, best no-code database software, best Airtable alternatives, and best Baserow alternatives are the closest neighboring shortlists. And for the wider app-builder category this article sits inside, the best no-code app builders hub is the place to start, alongside dedicated comparisons for Retool alternatives, Power Apps alternatives, Bubble alternatives, and Glide alternatives.

What to Do Next

Before comparing another feature table, answer two questions. Can your team operate a self-hosted deployment, and are you willing to trade proprietary polish (Retool, UI Bakery) for open, auditable code (Budibase, ToolJet, Appsmith itself)? Those two answers alone eliminate most of this list. If the answer to the first is no, you are choosing among cloud-only proprietary tools regardless of what licence badge any of them carry.

Then run one real test instead of three demos. Take the single most complex screen in your current Appsmith app, the one with custom SQL, a JavaScript transform, or a role-based visibility rule, and rebuild only that screen in your top two candidates. Give it a day. Whatever breaks in that day is what will break during the real migration, and it will tell you more than a month of vendor calls.

Related Resources:

• Best No-Code App Builders in 2026
• Best Retool Alternatives
• Best Power Apps Alternatives
• Best Bubble Alternatives
• Best Glide Alternatives
• Best Caspio Alternatives
• Best No-Code Database Software in 2026
• Best Airtable Alternatives
• Best Baserow Alternatives
• Best n8n Alternatives