Best Data serialization formats (2026)

A ranked shortlist of Data serialization formats — protobuf, flatbuffers, msgpack, capnproto — each scored by RepoPilot's maintenance and security verdict, so it tracks real repo health rather than star counts.

1. 1
   protocolbuffers/protobuf

   not yet analysed — analyse now
2. 2
   google/flatbuffers

   not yet analysed — analyse now
3. 3
   msgpack/msgpack

   not yet analysed — analyse now
4. 4
   capnproto/capnproto

   Healthy signals · 13,016★

Drawn from RepoPilot's analyzed corpus and ranked by popularity and health signals, refreshed from each repo's most-recent analysis. Informational only — not professional, security, or legal advice.