Administracion-Abierta / AutoFirme

Client-side-rendered SPA: sign and verify documents with X.509 certificates, entirely in the browser. No backend, no key material leaving the client.

ranuts / document

Local-first browser editor for Word, Excel, PowerPoint and PDF, with an experimental AI assistant. No Office installation or account required.

pubkey / client-side-databases

An implementation of the exact same app in Firestore, AWS Datastore, PouchDB, RxDB and WatermelonDB

IndAlok / rzweb

A complete browser-based reverse engineering platform built on Rizin, running entirely client-side via WebAssembly.

pnp / sp-dev-fx-extensions

Code samples and developer content targeted towards SharePoint Framework client-side extensions. https://aka.ms/spfx-webparts

cyrilletuzi / angular-async-local-storage

Efficient client-side storage for Angular: simple API + performance + Observables + validation

stffnb / edentext

Powerful web-based Word Processor for docx and odt. Free, Open Source, Private by Design

LifetimeLabsDev / PrivacyNotes.app

End-to-end encrypted notes, tasks, files, passwords, journal and bookmarks. Keyed by a 12-word BIP-39 phrase: no email, no password, no account to leak. The full client source for web, desktop and mobile is published, along with the encryption (XChaCha20-Poly1305, HKDF-SHA256, Ed25519) and the threat model, so the privacy claims are falsifiable.

AliSharjeell / OpenBUA

Open-source autonomous AI browser agent Chrome extension running locally in your authenticated browser. Researches web data, fills forms, automates workflows, and streams live results using active logins.

inertiajs / inertia-devtools

Browser DevTools panel for inspecting Inertia.js requests, page props, route metadata, response bodies, and client-side page state. Runs in Chrome and Firefox.

Mostafashadow1 / compressly

Ultra-fast, zero-dependency client-side image compression & optimization library for the web — Next.js, React, Vue, Svelte & Vanilla JS with Web Worker support.

toddynho / randomkeygen

Free client-side password and key generator for secure passwords, API keys, UUIDs, JWT secrets, and encryption keys. Powered by the Web Crypto API.

ovasendin / markdown_preview_editor

Self-hosted, privacy-first Markdown editor & live preview. Documents never leave your browser: no backend, no tracking, strict CSP, sandboxed preview.

dboudreau00 / Obscura

Client-side encrypted vault for Google Drive: Android app, web console, and desktop app over one format, implemented three times independently and held to shared test vectors. Pre-alpha and unaudited.