Radar check
What we found when we opened it. Every bar is one fact, with its date.
Last code pushed 25 Oct 2026, one day before this check.
Latest release release-3.2.4 on 3 Jun 2026.
Public since February 2021, a little over 5 years.
761 stars and 237 forks.
52 commits and 13 new issues in the last 90 days.
87 contributors. 10 pull requests merged in 90 days.
No security policy file says how to report a problem. No published security advisories.
How the bars are scored
- Alive. Days since the last code push: a week or less 100, a month 90, three months 70, six months 50, a year 30, eighteen months 15, older 0.
- Releases. Age of the latest GitHub release, on a similar scale; no bar when the project publishes no releases.
- Maturity. Age of the project: eight years 100, five 90, three 70, two 55, one 40, six months 25, younger 10.
- Adoption. Stars on a log scale: 100,000 stars is 100, 10,000 is 80, 1,000 is 60, 100 is 40.
- Activity. Commits in the last 90 days: 300 or more 100, 100 85, 30 65, 10 45, any 25.
- Community. People who have contributed: 100 or more 100, 30 80, 10 60, 5 40, 2 25, one 10.
- Security. A published security policy 80, none 40; published advisories are listed, not scored.
Checked by Repo Radar on 26 Oct 2026 from the repository on GitHub.
In simple English
This library helps computer programs play sound effects and background music at the same time. It reads many common audio formats without needing extra helper tools. You can mix multiple tracks together and add simple sound effects. It costs nothing to use in your own projects. You need to write C code to make it work.
What it is
SDL_mixer is an audio management library for the Simple DirectMedia Layer framework. It handles audio decoding, mixing, and digital signal processing effects.
What it is good for
Solo game developers who need a reliable way to play sound effects and music in their custom games without writing a sound engine from scratch.
- Supports many popular audio file formats out of the box.
- Can stream audio on-the-fly or preload it into memory.
- Distributed under the permissive zlib licence with very few restrictions.
- Requires writing C or C++ code to integrate into a project.
- Depends on the separate SDL library to talk to your computer hardware.
- API changes in version 3 require rewriting code if you are upgrading from older versions.
Writing a custom audio mixer from scratch
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Download the latest release source code or prebuilt binaries from the GitHub releases page, or install it using your operating system's package manager if available.