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Free, open-source (MIT or Apache-2.0) PDF reader and editor in the style of Adobe Acrobat for Windows, macOS and Linux. Search, organize pages, merge and split PDFs, comments, forms, passwords and printing. Runs locally with no account or telemetry. Alpha software, no Vietnamese interface yet.
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Free, open-source (AGPL-3.0) self-hosted photo and video library, like Google Photos on a computer you own. Phone apps back up automatically; search by people, places and content, build albums and share with family. Installs with Docker (Linux recommended, 6 GB RAM minimum); you are responsible for your own backups.
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Open-source, 100% local ElevenLabs alternative for voice cloning, dubbing, and dictation supporting 646 languages.
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Free and open-source alternative to AirDrop: share files and messages between nearby devices over your local network, with no internet connection and no third-party servers. Runs on Windows, macOS, Linux, Android and iOS; files are transferred as-is (no chat-app recompression), folders are sent recursively, traffic is HTTPS-encrypted and no account is needed. Install via winget, Homebrew, Flatpak, the App Store or Play Store.
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Free, open-source (MIT or Apache-2.0) Photoshop alternative for Windows, macOS and Linux with layers, masks, adjustment layers, text, brushes and real PSD support. Runs locally with no account. Early alpha, no Vietnamese interface yet.
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Free, open-source (MIT) AI voice studio that runs on your own computer: clone a voice from a short sample, turn text into speech with several engines and type by voice. Installers for Windows and macOS, no account needed. Vietnamese is not among the speech languages the README names.
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Free, open-source (MIT or Apache-2.0) Premiere Pro alternative for Windows, macOS and Linux with a multi-track timeline, transitions, colour grading, audio mixing and H.264 MP4 export. Runs locally with no account. Young software, about 50-60% ready for real work by the project's own estimate.
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Free, open-source (MIT or Apache-2.0) Lightroom-style photo manager and RAW editor for Windows, macOS and Linux. Photo library, ratings, RAW development, masks, presets and batch export. Runs locally with no account or subscription. Young project, no Vietnamese interface yet.
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Free, open-source (AGPL-3.0) video editor and CapCut alternative for Windows, macOS, Linux and Android. According to the project: no watermark, no account, and your footage is never uploaded. Auto-captions, text-to-speech, background removal, 170+ effects and 4K export. Still in beta; no Vietnamese interface yet.
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Free, open-source (MIT) AI music model that runs on your own PC: describe a song or paste lyrics and get a full track with instruments and vocals. A portable package for Windows, a browser interface and no account. An NVIDIA card is recommended; Vietnamese lyrics are untested.
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Free, open-source (MIT) download manager for Windows, macOS and Linux that downloads one file over several networks at once (for example home Wi-Fi plus a phone over USB). Takes direct links, magnet links and torrents, with a queue, pause and resume, speed and data limits. Currently a release candidate.
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Open-source (Apache-2.0) Vietnamese text-to-speech built by a Vietnamese developer that runs on your own machine. The open v3 Turbo model outputs 48 kHz audio with 25 preset voices covering Northern, Central and Southern accents, handles mixed Vietnamese-English text, supports emotion cues such as [cười] (laugh) and [thở dài] (sigh), and clones your own voice from a 3-8 second clip. It runs about 2x real-time on a plain CPU with no GPU needed, and ships a local web UI, a Python SDK and an OpenAI-compatible speech API.
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stirling-tools/stirling-pdf
Open-source PDF toolkit with 50+ tools: merge, split, compress, sign, OCR, redact and convert PDFs on your own machine without uploading files to outside services. Version 3.0 (24/9/2026) adds a new text editor, signing from your phone via QR code and batch processing. Installers for Windows, macOS, Linux and Docker; the PDF editor is free and unlimited.
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An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 360+ one-click services on your own servers.
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The open alternative to Salesforce, designed for AI.
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Light, fluffy, and always free - The AWS Local Emulator alternative
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open-dev-society/openstock
OpenStock is an open-source alternative to expensive market platforms. Track real-time prices, set personalized alerts, and explore detailed company insights — built openly, for everyone, forever free.
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Open-source Grok Bot alternative with a virtual machine that bots can use