head to head · open source
nimbalyst vs opentakeoff
nimbalyst has 1,892 GitHub stars, 300 forks, 642 open issues and last shipped yesterday. opentakeoff has 545 stars, 125 forks, 8 open issues and last shipped 3 days ago. nimbalyst leads on adoption by 247% (1,892 vs 545 stars). nimbalyst is written in TypeScript under MIT; opentakeoff is written in TypeScript under AGPL-3.0. nimbalyst has attracted 16% as many forks as stars, opentakeoff 23%. nimbalyst 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
| nimbalyst | opentakeoff | |
|---|---|---|
| GitHub stars | ★ 1.9K | ★ 545 |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-13 | 2026-10-11 |
| Forks | ⑂ 300 | ⑂ 125 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nimbalyst if
- You weight community size — 1.9K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick opentakeoff if
- You want the opentakeoff feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and opentakeoff fits your workflow better
About nimbalyst
Nimbalyst is an open source visual workspace for Claude Code, Codex, OpenCode, and other coding agents. It lives in the agentic coding ecosystem and brings sessions, worktrees, tasks, docs, diagrams, mockups, commits, and code into one desktop application. It is written in TypeScript, uses Electron, and is MIT licensed.
read the full nimbalyst overview →
About opentakeoff
OpenTakeoff is an open source (AGPL 3.0) PDF takeoff engine for construction and flooring estimating that runs entirely in the browser and exposes 53 MCP tools so an AI agent can drive the same measurements a human estimator does.
read the full opentakeoff overview →
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Frequently asked questions
Is nimbalyst or opentakeoff more popular?
nimbalyst has 1,892 GitHub stars and opentakeoff has 545. nimbalyst has the larger community by that measure.
Are nimbalyst and opentakeoff free?
Both are open source. nimbalyst is licensed under MIT and opentakeoff under AGPL-3.0. Neither carries a licence fee.
What is the difference between nimbalyst and opentakeoff?
nimbalyst is written in TypeScript and opentakeoff 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, nimbalyst or opentakeoff?
Choose nimbalyst if you want the larger community (1,892 stars) or its MIT licence terms. Choose opentakeoff if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.