head to head · open source
ToolJet vs bb
ToolJet has 40,998 GitHub stars, 5,457 forks, 1,204 open issues and last shipped 2 days ago. bb has 3,946 stars, 553 forks, 463 open issues and last shipped yesterday. ToolJet leads on adoption by 939% (40,998 vs 3,946 stars). ToolJet is written in JavaScript under AGPL-3.0; bb is written in TypeScript under MIT. ToolJet has attracted 13% as many forks as stars, bb 14%. bb was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ToolJet | bb | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 3.9K |
| License | AGPL-3.0 | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-25 | 2026-09-26 |
| Forks | ⑂ 5.5K | ⑂ 553 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ToolJet if
- You weight community size — 41K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick bb if
- You want the bb feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and bb fits your workflow better
About ToolJet
ToolJet is an open source low code platform for building internal tools—admin panels, dashboards, and operational applications—by connecting to existing databases, APIs, and SaaS systems. It lives in the JavaScript ecosystem and is licensed under AGPL 3.0.
read the full ToolJet overview →
About bb
bb is the agent IDE that builds itself: an MIT licensed TypeScript application that lets developers drive coding agents from a desktop app, a web app, a CLI, or an HTTP API, and extend the tool itself while it runs.
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Frequently asked questions
Is ToolJet or bb more popular?
ToolJet has 40,998 GitHub stars and bb has 3,946. ToolJet has the larger community by that measure.
Are ToolJet and bb free?
Both are open source. ToolJet is licensed under AGPL-3.0 and bb under MIT. Neither carries a licence fee.
What is the difference between ToolJet and bb?
ToolJet is written in JavaScript and bb in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ToolJet or bb?
Choose ToolJet if you want the larger community (40,998 stars) or its AGPL-3.0 licence terms. Choose bb if its feature set, stack or MIT licence fits better. Both are self-hostable.