Dev tools · alternatives · 2026

24 alternatives to ProtoEvent

go, golang, tcp, udp, protocol, software, networking

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ProtoEvent launched in 2020; newer entries below may have overtaken it.

1. 1
   Go Actor Model, fast distributed actors for Golang▲115

   Proto Actor - Ultra fast distributed actors for Go, C# and Java/Kotlin - asynkron/protoactor-go

   2016 · github.com · its alternatives →

2. 2RS
   Realtime Server-Sent Events in Go▲118

   2015 · sse.getgin.io · its alternatives →

3. 3CN
   Cap'n Proto, by the ex-maintainer of Protocol Buffers▲286

   2013 · kentonv.github.com · its alternatives →

4. 4
   Visual ProtoStack▲69

   Network protocol emulator and testing tool

   2017 · vprotostack.com · its alternatives →

5. 5
   A toy version of Wireshark (student project)▲265

   Hi everyone, I recently published a small open-source project. It’s a minimal network packet analyzer written in Go — designed more like a learning toy than a replacement for Wireshark. It currently supports parsing basic protocols like TLS, DNS, and HTTP, and includes a tiny fuzzing engine to test payload responses. You can inspect raw packet content directly from the terminal. The output is colored for readability, and the code structure is kept simple and clear. The entire program is very small — just about 400 lines of Go code. I know it’s not anywhere near Wireshark’s level, and I still…

   2025 · github.com · its alternatives →

6. 6
   ProtoCURL, a curl for Protobuf▲98

   protoCURL is cURL for Protobuf: The command-line tool for interacting with Protobuf over HTTP REST endpoints using human-readable text formats - qaware/protocurl

   2023 · github.com · its alternatives →

7. 7
   Proto.io▲135

   Fast, fully-interactive, high-fidelity mobile prototypes

   2014 · proto.io · its alternatives →

8. 8
   A pure C89 implementation of Go channels, with blocking selects▲271

   A pure C (-std=c89) implementation of Go channels, including blocking and non-blocking selects. - GitHub - rochus-keller/CspChan: A pure C (-std=c89) implementation of Go channels, including blocking and non-blocking selects.

   2023 · github.com · its alternatives →

9. 9
   Molecule – Streaming, zero-allocation protobuf decoding in Go▲70

   Molecule is a Go library for parsing protobufs in an efficient and zero-allocation manner. - GitHub - richardartoul/molecule: Molecule is a Go library for parsing protobufs in an efficient and zero-allocation manner.

   2020 · github.com · its alternatives →

10. 10
    Eventline▲247

    IFTTT for developers

    2017 · its alternatives →

11. 11
    Proto Client▲57

    Read proto files and send gRPC requests though an easy GUI

    2022 · apps.apple.com · its alternatives →

12. 12
    A discrete event simulator in Golang▲5

    A simple discrete event simulator in Go. Contribute to JensRantil/steps development by creating an account on GitHub.

    2025 · github.com · its alternatives →

13. 13AP
    A pure Python Bitcoin protocol implementation▲14

    2013 · protocoin.readthedocs.org · its alternatives →

14. 14
    A minimal and idiomatic WebSocket library for Go▲99

    Minimal and idiomatic WebSocket library for Go. Contribute to coder/websocket development by creating an account on GitHub.

    2019 · github.com · its alternatives →

15. 15
    Watermill – Building event-driven applications easy way in Go▲85

    Building event-driven applications the easy way in Go. - ThreeDotsLabs/watermill

    2019 · github.com · its alternatives →

16. 16
    Prototyp▲115

    Free tool based on Framer.js to create awesome interactions

    2016 · bcgame-hindi.in.net · its alternatives →

17. 17
    Godot and Rust based multiplexer (terminal panes and more)▲97

    Godot-based Rust multi-PTY emulator desktop application - godot-pty/gpty

    Sep 2026 · github.com · its alternatives →

18. 18
    Coerce – Actor runtime for Rust using async/await and tokio channels▲155

    Actor runtime and distributed systems framework for Rust - LeonHartley/Coerce-rs

    2019 · github.com · its alternatives →

19. 19
    Buf▲87

    A new way of working with Protocol Buffers

    2019 · buf.build · its alternatives →

20. 20
    Skir – like Protocol Buffer but better▲113

    Why I built Skir: https://medium.com/@gepheum/i-spent-15-years-with-protobuf-t... Quick start: npx skir init All the config lives in one YML file. Website: https://skir.build GitHub: https://github.com/gepheum/skir Would love feedback especially from teams running mixed-language stacks.

    Mar 2026 · skir.build · its alternatives →

21. 21
    Protome▲95

    Gather feedback on prototypes, designs, mockups easily.

    2023 · protome.app · its alternatives →

22. 22
    Chan – pure C implementation of Go channels▲150

    Pure C implementation of Go channels. Contribute to tylertreat/chan development by creating an account on GitHub.

    2014 · github.com · its alternatives →

23. 23
    ProtobufDecoder, Inspect Protobuf Messages▲11

    A Google Protocol Buffers (Protobuf) payload decoder/analyzer - sandermvanvliet/ProtobufDecoder

    2021 · github.com · its alternatives →

24. 24
    Pion/handoff – Move WebRTC out of browser and into Go▲101

    Start WebRTC in the browser—run it somewhere else. Contribute to pion/handoff development by creating an account on GitHub.

    Apr 2026 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →