Alternatives

Products that do what Cap'n Proto, by the ex-maintainer of Protocol Buffers does

1. 1LA
   Legion, an as-simple-as-possible blockchain server written in Haskell▲239

   2017 · github.com

2. 2CA
   Circular, an open source clone of Buffer▲160

   2012 · circular.io

3. 3FA
   Fork, a toy self-hosting language and compiler that compiles to C▲58

   2018 · github.com

4. 4PP
   Pbd – Protocol Buffers Disassembler▲36

   2016 · github.com

5. 5MA
   Muon, a low-level programming language inspired by C, C# and Go▲175

   2019 · github.com

6. 6SA
   Siproc – A primitive SIP client that spawns processes for each call▲38

   2019 · schm1dt.ch

7. 7NR
   Netty-rs – Rust library to easily write server/client network protocols▲22

   2021 · gitlab.com

8. 8AM
   A minimal Fortran TCP client and server▲110

   2019 · github.com

9. 9DK
   Dat-keyserver: a distributed PGP keyserver based on the Dat protocol▲106

   2019 · github.com

10. 10AP
    A partial HTTP server written in brainfuck extended with syscalls▲103

    2016 · github.com

11. 11SA
    Sandy – A tiny Sandbox to run untrusted code ️▲64

    2020 · github.com

12. 12BA
    Bolt: A research language with finer-grained concurrency than Rust▲103

    2020 · github.com

13. 13VQ
    Vas-quod – A minimal Linux container runtime written in Rust▲110

    2020 · github.com

14. 14RS
    Rust-starter, a boilerplate to build Rust CLI applications▲97

    2021 · github.com

15. 15SH
    Self-hosted stack-based programming language▲86

    2015 · github.com

16. 16ES
    Erlbus – scalable pub/sub message bus written in Erlang▲54

    2015 · cabol.github.io

17. 17MC
    Moustique – C++14 coroutine-based non-blocking IO on Linux▲68

    2018 · github.com

18. 18AT
    A threaded, TCP, key value store in Haskell▲63

    2013 · github.com

19. 19AM
    A minimal stack based VM in C▲60

    2020 · github.com

20. 20BL
    Bender – Let's Standardize Serverless ETL▲52

    2017 · engblog.nextdoor.com

21. 21ED
    Event-driven, user-space and highly-scalable TCP/IP stack [pdf]▲29

    2015 · github.com

22. 22AS
    A self-hosted js compiler in 1k loc▲47

    2017 · github.com

23. 23MA
    Meson, a C build system▲42

    2015 · github.com

24. 24PA
    Parapet – A purely functional library to build distributed systems▲51

    2019 · parapet.io

Ranked by how close each launch is in meaning, then by votes. Refine with a description →