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Top 23 TypeScript Real-time Projects
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Project mention: Show HN: I built an AI-powered technical interview prep tool | news.ycombinator.com | 2026-03-09
I built the backend with nestjs, prisma, postgresql, Webrtc for real time back and forth conv and [socket.io](http://socket.io) events in panel like code run etc…. claude-haiku-4-5 for conv and anthropic.claude-sonnet-4-6 for interview scoring.
*Where it still falls short:*
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Project mention: Mattermost say they will not clarify what license the project is under | news.ycombinator.com | 2026-02-02
If you are looking for another self-hostable alternative to Slack, Rocket chat[0] is also worth looking at.
I wasn't involved in any of the Dev Ops aspect when my former employer used them, but the search function actually worked which is better than I can say for Slack.
[0]https://github.com/RocketChat/Rocket.Chat/blob/develop/LICEN...
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InsForge
The all-in-one, open-source backend platform for agentic coding. InsForge gives your coding agent database, auth, storage, compute, hosting, and AI gateway to ship full-stack apps end-to-end.
Project mention: Bringing Razorpay to InsForge: Building a Production-Grade Payment Flow | dev.to | 2026-06-08PR #1382 — Foundational Provider & Sync PR #1485 — Webhook Infrastructure PR #1490 — Runtime Payment Flow
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Project mention: HedgeDoc – self-hosted real-time collaborative Markdown notes | news.ycombinator.com | 2025-11-03
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Project mention: Three Ways to Convert JSON to TypeScript. Only One Is Deterministic. | dev.to | 2026-04-27
CMS content. Headless CMS responses from Strapi, Sanity, or Contentful are deeply nested. Type them once; let the compiler catch template bugs.
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TREK
A self-hosted travel/trip planner with real-time collaboration, interactive maps, PWA support, SSO, budgets, packing lists, and more.
Project mention: A self-hosted travel/trip planner with real-time collaboration | news.ycombinator.com | 2026-04-03 -
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timeago.js
:clock8: :hourglass: timeago.js is a tiny(2.0 kb) library used to format date with `*** time ago` statement.
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Project mention: War Story: Debugging a Firebase 2026 Real-Time Database Bug That Lost 1k User Messages | dev.to | 2026-05-01
Yes, after we submitted a detailed bug report with our reproduction script (Code Example 1) and k6 test results, Firebase confirmed the race condition in their offline write queue on March 18, 2026. They released a partial fix in 2026.0.2 on March 21, and a full fix in 2026.0.3 on April 11. The bug was assigned Firebase issue tracker ID #b/342189012, which is now public at https://github.com/firebase/firebase-js-sdk/issues/7890.
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better-sse
⬆ Dead simple, dependency-less, spec-compliant server-sent events implementation written in TypeScript
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relay
Headless Slack for agents. A hosted messaging store + router with fast retrieval (by AgentWorkforce)
Project mention: Show HN: Simple SDK for agent-to-agent communication | news.ycombinator.com | 2026-04-28 -
signaldb
SignalDB is a reactive, local-first JavaScript database designed for modern web applications. It combines signal-based reactivity with powerful local data management and real-time synchronization capabilities.
Project mention: CRDTs and Local-First Architecture: How smallstack Handles Offline Conflict Resolution | dev.to | 2026-04-08smallstack uses SignalDB — a reactive, local-first database for the browser built with TypeScript. It's the layer between our SvelteKit frontend and the MongoDB backend.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
TypeScript Real-time discussion
TypeScript Real-time related posts
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Bringing Razorpay to InsForge: Building a Production-Grade Payment Flow
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Show HN: InsForge – Open-source Heroku for AI coding agents
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Show HN: Simple SDK for agent-to-agent communication
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A self-hosted travel/trip planner with real-time collaboration
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Build a Real-Time AI Analytics Dashboard with InsForge, FastAPI, and Claude Code
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Show HN: I built an AI-powered technical interview prep tool
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Benchmarking Socket.IO Servers
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A note from our sponsor - SaaSHub
www.saashub.com | 14 Jun 2026
Index
What are some of the best open-source Real-time projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Socket.io | 63,123 |
| 2 | Rocket.Chat | 45,435 |
| 3 | feathers | 15,249 |
| 4 | InsForge | 11,648 |
| 5 | MQTT.js | 9,081 |
| 6 | HedgeDoc | 7,227 |
| 7 | deepstream.io | 7,185 |
| 8 | sanity | 6,168 |
| 9 | TREK | 5,613 |
| 10 | partykit | 5,610 |
| 11 | soketi | 5,610 |
| 12 | timeago.js | 5,381 |
| 13 | firebase-js-sdk | 5,124 |
| 14 | liveblocks | 4,628 |
| 15 | hocuspocus | 2,435 |
| 16 | ReactiveTraderCloud | 1,858 |
| 17 | graphql-subscriptions | 1,619 |
| 18 | partykit | 1,135 |
| 19 | next-sanity | 946 |
| 20 | better-sse | 824 |
| 21 | Matrix-CRDT | 781 |
| 22 | relay | 719 |
| 23 | signaldb | 663 |
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