APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product. Learn more →
Top 23 JavaScript Protocol Projects
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Documentation
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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ipfs-desktop
An unobtrusive and user-friendly desktop application for IPFS on Windows, Mac and Linux.
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ipfs-companion
Browser extension that routes ipfs:// addresses and content-addressed websites through your own local IPFS node
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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passerby
Peer-to-peer location services for the decentralized web -- discover what's around you, no central authority required
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commilink
CommiLink (CMLK) is a hybrid, secure communication protocol with multi-transport support, end-to-end encryption (E2EE), relay/store-and-forward, message rooms, and message revocation via tombstones. Designed for IoT, mobile, and web applications requiring resilient and reliable messaging.
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sync-client
SyncProxy javascript client with support for all major embedded databases (IndexedDB, SQLite, WebSQL, LokiJS...)
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tap
Capture a logged-in browser task once — replay it forever at zero LLM tokens. Local-first browser-automation MCP for Claude Code, Cursor & any MCP host; credentials never leave your machine. (by LeonTing1010)
Project mention: Programs Beat Prompts: How Tap Turns AI into a Compiler for Browser Automation | dev.to | 2026-04-02Tap is a protocol + toolchain that turns AI's interface operations into deterministic programs (.tap.js files):
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onpostt
Our protocol is a decentralized and innovative solution for publishing and sharing blocks between servers and relays, focused on social network applications, chats, and front-end websites. Inspired by concepts like Nostr, this protocol was specifically developed for social networks,
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nostr-stealth
Built on top of the Nostr protocol, specifically designed to ensure sender and receiver metadata full anonymity. Leveraging the concept of channels (or mixers), Nostr-Stealth ensures that individual messages between users cannot be distinguished or differentiated, thus enhancing user privacy.
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acp
Interactive demo — AI agent filling forms via ACP (Agent Control Protocol) (by agent-control-protocol)
Project mention: Show HN: ACP – Like MCP, but for controlling existing application UIs | news.ycombinator.com | 2026-03-29 -
2origin
本象协议 Benxiang · 一源万影：保存本象，按需投影。面向 AI 的持久对象表示层——AI 只提交语义事务，确定性编译器校验后才落地，每个字段都能回答「凭什么」。A2 消融实测（2026-08-13，README §5）：唯一幸存的分类性主张是结构性的——提示词结构上产不出证据链；A3 全套机制给 15.0%/27.5% 受测字段可溯源证据，所有纯提示词基线均为 0%（A0→A2 +41.3pt 显著 p=3.3e-5，A2→A3 +2.5pt 不显著）。四方言共用核心仅加 4 行；87 条语言无关一致性向量 + 两份实现。
Project mention: Show HN: Vector RAG scored 75.0% with SD 0 across 33 runs on state tracking | news.ycombinator.com | 2026-08-04 -
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Project mention: Show HN: Beat (SRF) – No Parsing, No Tokenization, Binary-Level Speed | news.ycombinator.com | 2025-12-24
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Project mention: Show HN: Map v1.0 – Deterministic identity for structured data | news.ycombinator.com | 2026-02-24
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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).
JavaScript Protocol discussion
JavaScript Protocol related posts
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Progressive Web Components
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macOS 15.2 breaks the ability to copy the OS to another drive
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[ANNOUNCEMENT ] The new OriginTrail ecosystem website is now live!
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Is data at every company still an absolute mess?
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OriginTrail's AI potential showcased at BSI Connect Summit
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Is it feasible to develop a Substrate blockchain for one of these potential application contexts, and how can I validate it academically using Python simulations and three.js?
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DockerHub replacement stratagy and options
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A note from our sponsor - AppSignal
www.appsignal.com | 13 Sep 2026
Index
What are some of the best open-source Protocol projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | gun | 19,132 |
| 2 | ipfs-desktop | 6,577 |
| 3 | ipfs-companion | 2,161 |
| 4 | node-minecraft-protocol | 1,414 |
| 5 | xviz | 1,071 |
| 6 | flying-squid | 609 |
| 7 | rfcs | 513 |
| 8 | gps | 270 |
| 9 | passerby | 170 |
| 10 | commilink | 71 |
| 11 | diepindepth | 52 |
| 12 | sync-client | 45 |
| 13 | protocol | 23 |
| 14 | tap | 17 |
| 15 | peertube-plugin-social-sharing | 9 |
| 16 | onpostt | 9 |
| 17 | nostr-stealth | 9 |
| 18 | acp | 7 |
| 19 | 2origin | 5 |
| 20 | paychannel_explorer | 5 |
| 21 | beat | 5 |
| 22 | map1 | 2 |
| 23 | gitcoin-web | 1 |
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APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
www.appsignal.com