Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Concord – High Performance Stream Processing with C++ and Apache Mesos launched in 2016; newer entries below may have overtaken it.

1. 1WB
   We built rescaling for distributed stateful stream processing▲5

   2023 · bytewax.io · its alternatives →

2. 2
   deepstreamHub▲87

   A faster Firebase with an open source core

   2017 · deepstreamhub.com · its alternatives →

3. 3
   Jsong: faster than light streaming JSON parser and writer in C▲9

   2017 · github.com · its alternatives →

4. 4SA
   StreamDuo – A platform for B2B data streaming▲7

   2022 · streamduo.com · its alternatives →

5. 5BA
   Built a low-latency on-chain data stream: We'd love feedback▲5

   2018 · dev.tokenanalyst.io · its alternatives →

6. 6RR
   RDBTools – Redis Memory Analyzer▲9

   2018 · rdbtools.com · its alternatives →

7. 7
   Sonar▲14

   A linting tool for the web

   2017 · its alternatives →

8. 8SA
   Scanner, a system for distributed video processing from Stanford▲5

   2019 · scanner.run · its alternatives →

9. 9SJ
   Siphon.js – A data extraction library built for scale▲8

   2016 · siphonjs.com · its alternatives →

10. 10LA
    Limelight - An open source implementation of Nvidia GameStream▲5

    2014 · limelight-stream.com · its alternatives →

11. 11A1
    A 100% Client-Side HAR Analyzer That Parses Logs in Seconds▲6

    20d ago · har-analyzer.onlinetool.workers.dev · its alternatives →

12. 12US
    Upstream – Stream processing, for humans▲5

    2017 · upstreamapp.io · its alternatives →

13. 13TA
    TinySSE, an SSE server programmable with Lua▲5

    2025 · tinysse.com · its alternatives →

14. 14MF
    Minim – Fast, Flat and File-Based BMS▲8

    2017 · minim.one · its alternatives →

15. 15
    Streaming data analysis on Colab with the help of Bokeh▲5

    2023 · colab.research.google.com · its alternatives →

16. 16
    Rust-based ultra-low latency streaming framework – Wingfoil▲6

    ultra low latency graph based stream processing framework - wingfoil-io/wingfoil

    Dec 2025 · github.com · its alternatives →

17. 17
    bild▲5

    Parallel image processing algorithms in pure Go

    2016 · github.com · its alternatives →

18. 18FA
    Facile.Audio – A library for live audio streaming from the browser▲7

    2016 · facile.audio · its alternatives →

19. 19NP
    Nectarine, proof of concept parallel processing with Rails Active Job▲6

    2018 · rockstarcoders.com · its alternatives →

20. 20PA
    Ply – a dynamic tracer for Linux▲7

    2017 · wkz.github.io · its alternatives →

21. 21AE
    Archie – Easier Multiple Architecture Compilation in the Cloud▲5

    2019 · headmelted.com · its alternatives →

22. 22MA
    Molten, a modern API framework for Python▲7

    2018 · moltenframework.com · its alternatives →

23. 23
    Windsock.js – A flux inspired library for building web applications▲6

    2016 · github.com · its alternatives →

24. 24JA
    jq, a lightweight commandline JSON processor▲5

    2012 · stedolan.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 →