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anomalyco / isocast

Free, open-source OBS alternative for Mac: scenes and sources, every source recorded as its own file (ISO), about half OBS's CPU, CLI and MCP control. Rust, Apple silicon.

Why this job: works in the areas we cover, but does not say which job it does

Isocast compared with OBS 32.2.2: less CPU, less memory, faster stop and launch, and no skipped frames on a base M2

What it does

  • Scenes and sources. screens, windows, cameras, microphones, desktop
  • Transitions, including stingers with track mattes (WebM in VP8 or VP9,
  • ISO recording. any source as its own file, plus the program, with a
  • Crash-safe takes. files are committed every half second, so a crash

Get started

No single install command. Read the steps in the README (opens in new tab)

Maintenance
Active
Last commit 2 days ago
Stars
194
+36 this week
Licence
Apache-2.0
Allows business use
Downloads for
2 systems
Mac, Linux
Latest version
v0.0.10
Released 9 days ago
Built with
Rust
70% of the code

Is it looked after?

Contributors
2
Last 90 days
Issues
63% closed
64 still open
Pull requests
0 merged
5 waiting
Releases
10
10 in the last year
More: download files, languages, topics and project record

Download files, v0.0.10

  • Mac1 file, 80 downloads
  • Linux6 files, 26 downloads

All files on GitHub (opens in new tab)

Languages

  • Rust 70%
  • C 8%
  • Python 8%
  • Slint 6%

Topics

  • live-streaming
  • macos
  • mcp
  • obs
  • recording
  • rust
  • screen-recorder
  • apple-silicon
  • iso-recording
  • obs-alternative
  • obs-studio
  • open-source

Project record

  • JobOther AI tools
  • StatusListed
  • Commits275
  • Forks12
  • Watching2
  • Stars in 28 days+119
  • CreatedOct 13, 2026
  • First seen by usNov 7, 2026
  • CheckedNov 12, 2026

Type to search.

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