Showing 256 open source projects for "open source invoice"

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  • 1
    Open QR Code

    Open QR Code

    Open QR Code is an open-source, cross-platform app

    Open QR Code is an open-source cross-platform application developed using Flutter as main framework used to build the application, in common C, C++, Dart, Skia (a 2D rendering engine), and Impeller (the default rendering engine on iOS), Java, Kotlin. Open QR Code allows users to generate and scan QR codes effortlessly. The app is available on Android, Windows, and the Web.
    Downloads: 17 This Week
    Last Update:
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  • 2
    v2rayNG

    v2rayNG

    A V2Ray client for Android, support Xray core and v2fly core

    A V2Ray client for Android supports Xray core and v2fly core. geoip.dat and geosite.dat files are in Android/data/com.v2ray.ang/files/assets (path may differ on some Android devices). Download feature will get an enhanced version in this repo (Note it need a working proxy). The latest official domain list and ip list can be imported manually. It's possible to use third-party dat files in the same folder, like h2y. Android projects under V2rayNG folder can be compiled directly in Android...
    Downloads: 939 This Week
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  • 3
    Proton VPN for Android

    Proton VPN for Android

    ProtonVPN Android app

    The Proton VPN app for Android is intuitive to use, offers lots of useful features, and keeps you secure and private when surfing the internet. Once the app is installed, open it and log in with your Proton VPN username and password. If you are a Proton Mail user, you can access the Proton VPN Free plan by logging in with your Proton Mail username and password. Touch the Quick Connect button to automatically connect to the fastest VPN server for your location. You can also choose to connect...
    Downloads: 945 This Week
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  • 4
    GmsCore

    GmsCore

    Free implementation of Play Services

    microG GmsCore is a FLOSS (Free/Libre Open Source Software) framework to allow applications designed for Google Play Services to run on systems, where Play Services is not available. The linux-based open-source mobile operating system Android is not only the most popular mobile operating system in the world, it’s also on the way to becoming a proprietary operating system.
    Downloads: 235 This Week
    Last Update:
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    Say goodbye to broken revenue funnels and poor customer experiences

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  • 5
    Sing-box

    Sing-box

    The universal proxy platform

    Sing-box is a universal proxy platform written in Go with support for servers and clients across platforms. It handles multiple proxy protocols with advanced routing, supports TUN-based transparent proxying, and offers both CLI and native graphical clients.
    Downloads: 314 This Week
    Last Update:
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  • 6
    Xray Core

    Xray Core

    Xray, Penetrates Everything. Also the best v2ray-core

    Xray-core is an enhanced superset of v2ray-core, providing a high-performance privacy proxy framework supporting XTLS. It offers full compatibility with v2ray configs, supports multiple protocols, advanced routing, and is distributed as a single executable.
    Downloads: 203 This Week
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  • 7
    NekoBox for Android

    NekoBox for Android

    NekoBox for Android / sing-box / universal proxy toolchain for Android

    NekoBoxForAndroid is an Android-based proxy client supporting popular protocols like V2Ray, XRay, and Shadowsocks for secure, privacy-focused internet access. Designed as a modern alternative to applications like V2rayNG, it provides a clean interface, enhanced performance, and robust configuration management for circumventing censorship and accessing restricted content.
    Downloads: 145 This Week
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  • 8
    Karing

    Karing

    Simple & Powerful proxy utility

    Karing is a powerful, rule-based cross-platform proxy utility built with Flutter, supporting Clash, Sing-box, V2Ray, Shadowsocks, and more. It features customizable routing rules, geo-IP/site filtering, ACLs, multi-device sync via iCloud, LAN, WebDAV, and ZIP import/export. It supports a wide range of subscription sources and platforms including iOS, Android, macOS, Windows, and tvOS.
    Downloads: 171 This Week
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  • 9
    Chromium

    Chromium

    The official GitHub mirror of the Chromium source

    Chromium is the opensource foundational web browser project that drives browsers like Google Chrome, Microsoft Edge, and Opera—built for speed, stability, security, and extendability across platforms. This directory is currently in a prototyping state and may be removed in the future. As we add support for multiple coding IDE/agents, we will likely pull common prompts and instructions into a central directory with stubs for bespoke IDE/agent integration.
    Downloads: 104 This Week
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  • 10
    SoftEther VPN

    SoftEther VPN

    Cross-platform multi-protocol VPN software

    An open-source free cross-platform multi-protocol VPN program, as an academic project from University of Tsukuba, under the Apache License 2.0. The API Suite allows you to easily develop your original SoftEther VPN Server management application to control the VPN Server (e.g. creating users, adding Virtual Hubs, disconnecting a specified VPN sessions) from JavaScript, TypeScript, C# or other languages.
    Downloads: 113 This Week
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  • 11
    Waterfox

    Waterfox

    Privacy browser built for users who value customization & control

    ...The project emphasizes speed and efficiency through optimizations and choice, letting users tweak settings or install favored extensions without being locked into ecosystem constraints. Because it’s open source and actively developed by the community, new features, security updates, and performance improvements arrive regularly to align with web standards.
    Downloads: 73 This Week
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  • 12
    Cromite

    Cromite

    Cromite a Bromite fork with ad blocking and privacy enhancements

    Cromite is an open-source web browser project that originated as a fork of Bromite—a Chromium-based browser focused on ad blocking and enhanced privacy—and continues to evolve with built-in privacy protections and content filtering across Android, Windows, and Linux platforms. It retains the core goal of limiting tracking and intrusive ads by integrating ad blocking directly into the browser engine rather than relying on external extensions, all while striving to reduce telemetry, aggressive analytics, and close manufacturer integration. ...
    Downloads: 58 This Week
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  • 13
    AdAway

    AdAway

    Ad-blocking for your Android

    Tired of seeing ads pop up on your Android device? You can take them all away with AdAway! AdAway is an open source ad blocker for Android that uses the hosts file and local vpn. It effectively keeps pesky ads at bay so you can continue using your Android device uninterrupted by constant ads. AdAway gives you the option to add custom sources of host files. It also lets you add custom rules for your whitelist, blocklist and rules for redirects, so your ad blocking is not just generic, but tailored specifically how you want it. ...
    Downloads: 38 This Week
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  • 14
    Tailscale

    Tailscale

    The easiest, most secure way to use WireGuard and 2FA

    Tailscale is an open-source zero-configuration VPN and networking solution that makes it simple to create secure, private networks across devices by leveraging WireGuard under the hood. It lets users connect computers, servers, mobile devices, and cloud instances together with peer-to-peer encrypted tunnels without dealing with complex firewalls, NAT rules, or key distribution headaches.
    Downloads: 41 This Week
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  • 15
    Gopeed

    Gopeed

    High speed downloader that supports all platforms

    Gopeed (full name Go Speed), a high-speed downloader developed by Golang + Flutter, supports (HTTP, BitTorrent, Magnet) protocol, and supports all platforms. This project is divided into two parts, the front end uses flutter, the back end uses Golang, and the two sides communicate through the http protocol. On the unix system, unix socket is used, and on the windows system, tcp protocol is used.
    Downloads: 38 This Week
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  • 16
    ProxyPin

    ProxyPin

    Open source free capture HTTP(S) traffic software ProxyPin

    ProxyPin is a full-featured, cross-platform HTTP(S) traffic capture and proxy tool. Developed in Flutter, it enables interception, inspection, rewriting, and blocking of network traffic across devices via scans and QR-based connection. It supports scripting, filtering, statistics, and integrates HTTP/2, zstd, WebSocket parsing, and AES tools.
    Downloads: 26 This Week
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  • 17
    Mullvad VPN desktop and mobile app

    Mullvad VPN desktop and mobile app

    The Mullvad VPN client app for desktop and mobile

    In a society that is increasingly determined to weaken that right, a fast, reliable and easy-to-use VPN connection is a good first step towards achieving this. By connecting to the Internet with Mullvad, we ensure that traffic to and from your device is encrypted to the highest standards, even when using public Wi-Fi in a coffee shop or hotel. We do not keep activity logs or ask for personal information, and we even encourage anonymous payments using cash or any of the accepted...
    Downloads: 40 This Week
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  • 18
    OpenMTP

    OpenMTP

    Advanced Android File Transfer Application for macOS

    Transferring files between macOS and Android or any other MTP device has always been a nightmare. There are a few File Transfer MTP apps that are available online but most of them are either too expensive or come with bad UI/UX. The official "Android File Transfer" app for macOS from Google comes with bugs, and innumerable limitations, some of which include - not being able to transfer files larger than 4GB, frequent disconnections, unable to rename the folders or files on the android/MTP...
    Downloads: 33 This Week
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  • 19
    fanqiang

    fanqiang

    Over the Wall - Science Online

    Over the wall-Scientific Internet, over-the-wall tool, over-the-wall tutorial project library.
    Downloads: 19 This Week
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  • 20
    Thorium for Android

    Thorium for Android

    High-performance, privacy-focused browser built as a fork of Chromium

    Thorium-Android is the Android-specific component of the Thorium browser ecosystem, a community-oriented, Chromium-based web browser project focused on improving performance, privacy, and user experience beyond what you typically get from stock Chromium builds. Like its desktop counterparts, Thorium for Android compiles the latest Chromium source with targeted optimizations and patches, aiming for faster loading, smoother rendering, and sensible defaults that emphasize privacy and reduced...
    Downloads: 18 This Week
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  • 21
    Kuroba Experimental

    Kuroba Experimental

    Free and open source image board browser

    KurobaEx is a fast Android app for browsing imageboards, such as 4chan and 8chan. It's a fork of Kuroba. Ability to attach multiple media files to reply, attach media files that were shared by external apps (even by some keyboards), attach remote media files by URL, etc. New image downloader. Allows downloading images while the app is in the background, retrying failed to download images, resolving duplicates, etc.
    Downloads: 17 This Week
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  • 22
    Jellyfin Android TV

    Jellyfin Android TV

    Android TV Client for Jellyfin

    Jellyfin Android TV is a Jellyfin client for Android TV, Nvidia Shield, and Amazon Fire TV devices. We welcome all contributions and pull requests! If you have a larger feature in mind please open an issue so we can discuss the implementation before you start. Jellyfin is the volunteer-built media solution that puts you in control of your media. Stream to any device from your own server, with no strings attached. Your media, your server, your way. Jellyfin enables you to collect, manage, and...
    Downloads: 21 This Week
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  • 23
    PixEz Flutter

    PixEz Flutter

    Flutter-based client for browsing and managing content

    Pixez Flutter is an open-source, Flutter-based client for browsing and managing content from Pixiv’s illustration platform. While specific README is minimal, community usage indicates support for browsing artwork, user profiles, favorites, downloads, and user authentication, following the standard capabilities of unofficial Pixiv clients.
    Downloads: 10 This Week
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  • 24
    NextDNS

    NextDNS

    NextDNS CLI client (DoH Proxy)

    NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids, on all devices and on all networks. Determine your threat model and fine-tune your security strategy by enabling 10+ different types of protections. Use the most trusted threat intelligence feeds containing millions of malicious domains, all updated in real-time. Go beyond the domain, we analyze DNS questions and answers on-the-fly (in...
    Downloads: 10 This Week
    Last Update:
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  • 25
    Betterfox

    Betterfox

    Firefox user.js for optimal privacy and security

    Betterfox is an opinionated configuration profile for Mozilla Firefox designed to improve everyday web browsing by making the browser faster, more private, and more secure without relying on external add-ons or third-party code. Rather than being a separate browser, it consists of a curated set of preference tweaks (user.js settings) that users apply to their Firefox profile to optimize performance and harden privacy settings. The project focuses on a minimal-impact, maximum-effect approach,...
    Downloads: 10 This Week
    Last Update:
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