Dev tools · alternatives · 2026

24 alternatives to Semaphore Boosters

Easy Parallel CI for Big Web Apps

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Semaphore Boosters launched in 2017; newer entries below may have overtaken it.

1. 1
   Semaphore▲87

   Hosted Continuous integration for Web Applications.

   2014 · semaphoreapp.com · its alternatives →

2. 2
   Semaphore 2.0▲97

   Fastest CI/CD platform for world’s best engineering teams

   2018 · semaphore.io · its alternatives →

3. 3
   Blockstack▲128

   A new internet for decentralized apps

   2016 · blockstack.org · its alternatives →

4. 4
   CircleCI 2.0▲215

   Powerful CI/CD for teams building great things

   2017 · circleci.com · its alternatives →

5. 5
   Semaphore Open Source CI/CD▲117

   The open source CI/CD platform

   2025 · semaphore.io · its alternatives →

6. 6
   Citus Cloud▲89

   A database for building real-time apps on billions of events

   2016 · citusdata.com · its alternatives →

7. 7
   Devmag▲133

   A network re-thought for software developers

   2015 · its alternatives →

8. 8
   Bouncelytics▲77

   Finding website bottlenecks just got easier

   2016 · its alternatives →

9. 9
   deepstreamHub▲87

   A faster Firebase with an open source core

   2017 · deepstreamhub.com · its alternatives →

10. 10
    Stackness▲92

    Show your stack! The social home for your dev tools

    Sep 2026 · stackness.dev · its alternatives →

11. 11
    Backbeam▲93

    Build web and mobile apps in half the time.

    2014 · loryn.me · its alternatives →

12. 12
    FlowTime▲72

    A Pomodoro-driven timer for Chrome

    2015 · chromewebstore.google.com · its alternatives →

13. 13
    Pyspider▲68

    A Powerful Spider System with Web UI

    2014 · github.com · its alternatives →

14. 14
    Stack Overflow Podcast - A Bunch of Bald Yaks▲66

    HyperDev, the fastest way to bang out code and run it online

    2016 · stackoverflow.blog · its alternatives →

15. 15
    Pushpin▲79

    Building and scaling realtime APIs made easy

    2015 · pushpin.org · its alternatives →

16. 16
    Contentify▲70

    a real-time collaborative content manager on top of Github

    2014 · thyb.github.io · its alternatives →

17. 17
    SaltStack For DevOps▲66

    Fast and simple IT automation and configuration management

    2016 · its alternatives →

18. 18
    Code Podcast 3: Concurrency – Event Loop & Coroutines▲54

    Concurrency in UIKits, browsers and web servers

    2016 · soundcloud.com · its alternatives →

19. 19
    Surge▲9

    a Web Developer Tool and Proxy Utility for iOS 9

    2015 · apps.apple.com · its alternatives →

20. 20
    Leanplum▲36

    Fully-integrated optimization solution for mobile apps

    2014 · clevertap.com · its alternatives →

21. 21
    WebSemaphore▲12

    Business continuity for APIs at cloud scale

    2024 · websemaphore.com · its alternatives →

22. 22
    ParallelCI by Codeship▲11

    10x faster code tests with parallel build pipelines.

    2015 · codeship.com · its alternatives →

23. 23
    Relay Modern▲7

    Simpler, faster, more extensible

    2017 · github.com · its alternatives →

24. 24
    HyperDev▲6

    The developer playground for building full-stack web apps.

    2016 · hyperdev.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 →