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Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.

Project NOMAD is an offline-first knowledge and education server. Wikipedia, thousands of books, courses, maps, and optional local AI, all running on hardware you own with no internet required.

A free, open source, and extensible speech-to-text application that works completely offline.

Buzz transcribes and translates audio offline on your personal computer. Powered by OpenAI's Whisper.

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

The most complete open-source travel planner: real-time collaboration, bookings, budgets, packing lists, journals, offline PWA, SSO and an AI-ready MCP server, with planet-wide place search and routing built in.

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

🚀 自托管的抖音、TikTok、B 站数据采集与无水印视频下载 API，支持 AI agent 通过 MCP 调用与离线语音转文字，Docker 一键部署。| Self-hosted TikTok, Douyin & Bilibili scraper and no-watermark video downloader — async REST API, MCP server for AI agents, CLI and web console, plus offline speech-to-text for downloaded videos. Self-healing identity pool, PostgreSQL archive, one docker compose up.

Offline, encrypted vault for seed phrases, private keys, passwords and API keys. Also used by agents.

Ip2region is an offline IP-to-Region localization library and IP data management framework with both IPv4 and IPv6 supports, 10-microsecond level query efficiency, xdb search client for many programming languages

🍃 Organic Maps is a free Android & iOS offline maps app for more than 12M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!

Offline FairPlay App Store IPA decryption with independent key derivation

Open-source local AI audio & music studio for macOS & Windows. TTS, voice cloning, songs with lyrics, and multi-track scores — 100% offline, zero API fees.

Foss offline app alt to iLovePDF & smallpdf for PDF & DOCX operations.

An offline-first photo manager for large local libraries

Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.

A password manager that supports Bitwarden platform and KeePass (KDBX) files. It autofills your logins, supports passkeys, works offline, and runs a Watchtower that finds leaked and reused passwords and other issues.

A lightweight, extensible, fully offline development platform and agent/workflow toolkit for the AI era, with an intuitive TUI, easy deployment, and complete control over your data, agents, and workflows.

An offline multi-tool Android app for hiking, backpacking, camping, wilderness survival, foraging, and hunting.

An offline macOS music player

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

Offline documentation browser. Your personal reference library, searchable in an instant.

One command downloads a complete offline, no-internet emergency library: local AI (CPU/GPU), document Q&A, full Wikipedia, offline maps for any country/region (default US), survival/repair/medical archives, and public-domain manuals. Asks only where to save.

Run local LLMs like Gemma, Qwen, and LLaMA on Android for offline, private, real-time chat and question answering with LiteRT and ONNX Runtime.

Offline translation model server with low resource consumption, fast speed, and private deployment capability. 低资源占用速度快可私有部署的离线翻译模型服务器

Offline-first workout tracker for strength and cardio, with progress graphs, rest timers, and custom themes. Built with Flutter.

Free, open-source, local alternative to ElevenLabs and Suno. AI sound effects, music with lyrics, text-to-speech and voice cloning on your own GPU (Stable Audio, ACE-Step and more). No account, no credits, offline. Windows/macOS app, HTTP API and a 21-tool MCP server for Claude Code and Cursor.

SoniCloud Recorder SDK is an open-source reference project for integrating BLE recorder hardware across Android, iOS, HarmonyOS, Flutter, Windows, and macOS. It includes SDK examples, recording control, real-time audio, file transfer, offline transcription, protocol tools, and vendor adaptation support.

SumatraPDF fork: Chinese EPUB/MOBI, smart PDF dark mode, OCR, TTS, offline dictionary.

Self-hosted AI agent platform built on OpenClaw. Enterprise-ready, offline-capable, open source. 🦞