head to head · open source
bb vs cpeditor
bb has 3,946 GitHub stars, 553 forks, 463 open issues and last shipped yesterday. cpeditor has 2,181 stars, 162 forks, 79 open issues and last shipped 3 days ago. bb leads on adoption by 81% (3,946 vs 2,181 stars). bb is written in TypeScript under MIT; cpeditor is written in C++ under GPL-3.0. bb has attracted 14% as many forks as stars, cpeditor 7%. bb was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ide), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| bb | cpeditor | |
|---|---|---|
| GitHub stars | ★ 3.9K | ★ 2.2K |
| License | MIT | GPL-3.0 |
| Written in | TypeScript | C++ |
| Last push | 2026-09-26 | 2026-09-24 |
| Forks | ⑂ 553 | ⑂ 162 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick bb if
- You weight community size — 3.9K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick cpeditor if
- You want the cpeditor feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches C++
- You evaluated both and cpeditor fits your workflow better
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.
About cpeditor
CP Editor is a free, open source, cross platform integrated development environment built specifically for competitive programming, licensed under GPL 3.0 and aimed at contestants in ACM ICPC, Codeforces and OI style competitions who want to fetch, code, compile, run, check and submit a solution without leaving one window.
read the full cpeditor overview →
More in Developer Tools
Related comparisons
More Frameworks & Platforms projects
Compare either of these against the rest of the Frameworks & Platforms field.
Frequently asked questions
Is bb or cpeditor more popular?
bb has 3,946 GitHub stars and cpeditor has 2,181. bb has the larger community by that measure.
Are bb and cpeditor free?
Both are open source. bb is licensed under MIT and cpeditor under GPL-3.0. Neither carries a licence fee.
What is the difference between bb and cpeditor?
bb is written in TypeScript and cpeditor in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, bb or cpeditor?
Choose bb if you want the larger community (3,946 stars) or its MIT licence terms. Choose cpeditor if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.