head to head · open source
WWDC vs bb
WWDC has 8,742 GitHub stars, 767 forks, 23 open issues and last shipped 4 months ago. bb has 4,220 stars, 621 forks, 463 open issues and last shipped today. WWDC leads on adoption by 107% (8,742 vs 4,220 stars). WWDC is written in Swift under BSD-2-Clause; bb is written in TypeScript under MIT. WWDC has attracted 9% as many forks as stars, bb 15%. 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
| WWDC | bb | |
|---|---|---|
| GitHub stars | ★ 8.7K | ★ 4.2K |
| License | BSD-2-Clause | MIT |
| Written in | Swift | TypeScript |
| Last push | 2026-06-17 | 2026-10-10 |
| Forks | ⑂ 767 | ⑂ 621 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick WWDC if
- You weight community size — 8.7K stars and counting
- You want the BSD-2-Clause license terms
- Your stack matches Swift
- 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 WWDC
WWDC is an unofficial, open source macOS app for Apple developers who want to watch conference sessions, follow the live schedule, and take searchable notes without leaving their Mac.
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 WWDC or bb more popular?
WWDC has 8,742 GitHub stars and bb has 4,220. WWDC has the larger community by that measure.
Are WWDC and bb free?
Both are open source. WWDC is licensed under BSD-2-Clause and bb under MIT. Neither carries a licence fee.
What is the difference between WWDC and bb?
WWDC is written in Swift 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, WWDC or bb?
Choose WWDC if you want the larger community (8,742 stars) or its BSD-2-Clause licence terms. Choose bb if its feature set, stack or MIT licence fits better. Both are self-hostable.