head to head · open source
Plane vs sill
Plane has 60,860 GitHub stars, 6,066 forks, 1,103 open issues and last shipped yesterday. sill has 979 stars, 51 forks, 53 open issues and last shipped yesterday. Plane leads on adoption by 6,117% (60,860 vs 979 stars). Plane is written in TypeScript under AGPL-3.0; sill is written in Swift under Apache-2.0. Plane has attracted 10% as many forks as stars, sill 5%. Plane 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.
← all 20902 open source comparisons
Side by side
| Plane | sill | |
|---|---|---|
| GitHub stars | ★ 61K | ★ 979 |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Swift |
| Last push | 2026-10-14 | 2026-10-14 |
| Forks | ⑂ 6.1K | ⑂ 51 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Plane if
- You weight community size — 61K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick sill if
- You want the sill feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Swift
- You evaluated both and sill fits your workflow better
About Plane
Plane is an open source project management platform for teams that need to track issues, run cycles, and manage product roadmaps without handing their data to a proprietary SaaS vendor, and it is aimed at engineering, product, and operations teams that would otherwise pay for Jira, Linear, ClickUp, or Asana.
read the full Plane overview →
About sill
Sill is a free, open source app that streams any window, or the whole desktop, from an Apple silicon Mac to an iPhone or iPad, where it is driven by touch, trackpad, keyboard or Apple Pencil, with no account and no server in between.
More in Business Software
Related comparisons
More Collaboration & Communication projects
Compare either of these against the rest of the Collaboration & Communication field.
Frequently asked questions
Is Plane or sill more popular?
Plane has 60,860 GitHub stars and sill has 979. Plane has the larger community by that measure.
Are Plane and sill free?
Both are open source. Plane is licensed under AGPL-3.0 and sill under Apache-2.0. Neither carries a licence fee.
What is the difference between Plane and sill?
Plane is written in TypeScript and sill in Swift. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Plane or sill?
Choose Plane if you want the larger community (60,860 stars) or its AGPL-3.0 licence terms. Choose sill if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.