Alternatives

Products that do what Outkit – an abstraction layer for outbound messaging does

1. 1OS
   Open-source conversational platform and unified messaging APIs▲103

   2021 · airy.co

2. 2MA
   MapChat – A simple location based chat in 300 lines of code▲205

   2015 · idoco.github.io

3. 3BA
   Bridge, a cross-language RPC messaging system▲105

   2012 · flotype.com

4. 4LS
   Let's Chat, a self-hosted chat app for small teams▲350

   2015 · sdelements.github.io

5. 5TI
   TalkJS – Integrated messaging for web and mobile products▲44

   2017 · talkjs.com

6. 6
   Total.js Messenger▲181

   A small, open-source alternative to Slack

   2017

7. 7TM
   Toc Messenger – A distributed messaging app that syncs across devices▲41

   2015 · github.com

8. 8
   Slack▲128

   A platform for team communication

   2014

9. 9OA
   Oruapp – a minimal, location based messaging▲17

   2015 · oruapp.co

10. 10CI
    ChatSecure iOS v4.0 – OMEMO and Signal Protocol▲107

    2017 · chatsecure.org

11. 11SA
    Subway, a persistent web client for IRC▲84

    2012 · github.com

12. 12IN
    InstaNote – notes in a simple chat interface▲89

    2020 · instanote.io

13. 13MJ
    Msngr.js, a messaging library for JavaScript▲32

    2015 · github.com

14. 14
    HiveFlux + Slack▲93

    Real-time task management meets real-time communication

    2015

15. 15IB
    IMAP-based message broker client written in Go▲87

    2016 · github.com

16. 16LL
    Live location-based messaging board▲22

    2014 · play.google.com

17. 17
    Pingly▲86

    A new messaging platform working to evolve email

    2014

18. 18PA
    Pagerbot, a chat bot for managing PagerDuty on-call schedules▲67

    2014 · stripe.com

19. 19ES
    Erlbus – scalable pub/sub message bus written in Erlang▲54

    2015 · cabol.github.io

20. 20SA
    Spiral – A Reddit-inspired local message board app▲37

    2014 · getspiralapp.com

21. 21TA
    Tact – A simple chat app for iOS, iPadOS and macOS▲69

    2021 · justtact.com

22. 22FA
    Forsta – A Signal based messaging platform for enterprises▲6

    2018 · forsta.io

23. 239A
    99messages, a lightweight olark/intercom alternative▲13

    2018 · 99messages.com

24. 24BS
    Botschaft – self-hosted messaging and notifications API▲5

    2021 · github.com

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