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Track your addictions and maintain sobriety! Sobriety, the free and open source addiction tracker, is designed to be simple: You input a starting date and time, as well as a name for the addiction, and it tells you how long it's been since you last logged a relapse. You can keep notes on your recovery, track milestones, log how much time or money (or anything else) you're saving by staying sober, and view your relapse history all from one easy to use app.

Sobuu is used to track books reading and organise your readings. You can also let comments in a page or in the percentage of the book that you feel it should be commented. Others can read those comments and reply them.

SocketChat is a messaging app that helps you communicate with your friends on the same network, where one of the devices with this app installed acts as server. Just make a session and enjoy talking to your friends. The app does not use any third party database to store your chat, its all saved in a local database and you can delete any session whenever you want. You can customize the app however you want: * change chat bubble appearance * connection history * continue chatting in any network * server authentication This app is all you need when it comes to local network text chatting.

Socks5 Proxy routes your device's internet traffic through an encrypted SSH tunnel using Android's built-in VPN framework — no root access required. It creates a local TUN network interface that captures all outgoing IPv4 traffic, forwards it through a secure SSH connection to your server, and sends it out to the internet from there. This effectively masks your device's real IP address and encrypts all data in transit between your device and the SSH server. === WHAT IT DOES === When connected, every app on your device — browsers, email, messaging, streaming — has its traffic routed through the SSH tunnel automatically. You don't need to configure individual apps. The persistent notification shows real-time connection status and data usage so you always know what's happening. It also includes a local SOCKS5 proxy (RFC 1928 compliant) on 127.0.0.1:1080, allowing individual apps like browsers to use the tunnel without enabling the system-wide VPN. An interactive terminal lets you open shell sessions directly to the remote server from within the app, useful for server administration, file management, or running commands. === KEY FEATURES === • System-Wide VPN — Routes all device IPv4 traffic through an SSH tunnel via Android VpnService. No root needed. • SOCKS5 Proxy — Built-in RFC 1928 proxy on localhost:1080 for per-app or per-browser use. • SSH Key Support — Full support for RSA (up to 4096-bit), ECDSA (P-256/P-384/P-521), and Ed25519 key algorithms. • Dual Authentication — Connect using password authentication or SSH private key authentication with optional encrypted passphrases. • Interactive Terminal — Open multiple concurrent shell sessions to the remote server with PTY resize support. • DNS over TCP — Intercepts DNS queries from the VPN interface and resolves them through the encrypted tunnel, preventing DNS leaks. • Secure Storage — SSH private keys are encrypted with AES-256-GCM using the Android Keystore (hardware-backed on supported devices). Passwords and key passphrases are stored in EncryptedSharedPreferences. • Connection Profiles — Save multiple server configurations with different authentication methods and switch between them quickly. • Auto-Reconnect — Exponential backoff reconnection with configurable keep-alive interval to maintain connectivity on unstable networks. • Boot Start — Optionally start the VPN automatically when your device boots. • Traffic Statistics — Real-time upload and download byte counters shown in the notification and main screen. • Foreground Service — Persistent notification with connection status, server hostname, and live traffic data. • Material Design 3 — Clean, modern interface with bottom navigation and dark mode support. • Host Key Verification — SSH host keys are verified and cached, protecting against man-in-the-middle attacks. === REQUIREMENTS === • Android 7.0 (API 24) or higher • An SSH server you control or trust, with password or key-based authentication enabled • The server must allow TCP forwarding (AllowTcpForwarding must be set to yes in sshd_config) === USE CASES === • Privacy — Hide your real IP address from websites and services by routing traffic through your own server. • Security on Public Wi-Fi — Encrypt all traffic when using untrusted networks at coffee shops, airports, or hotels. • Bypass Network Restrictions — Access services blocked on restrictive networks by tunneling through your SSH server. • Remote Access — Securely access resources on the SSH server's local network. • Server Administration — Open a shell on your server directly from the app for quick maintenance tasks. === OPEN SOURCE === This app is free and open-source software licensed under the MIT License. The source code is available on GitHub. It is built with trusted open-source libraries including mwiede/jsch for SSH connectivity, Bouncy Castle for Ed25519 support on older Android versions, dnsjava for DNS resolution, and Android Jetpack components for the UI and data layer. === IMP

This is an updated version of SocksDroid (a client for xSocks) by PeterCxy to support modern Android devices.

A simple and lightweight VPN over socks5 proxy for Android. It is based on a high-performance and low-overhead tun2socks. Features Redirect TCP connections. Redirect UDP packets. (Fullcone NAT, UDP in UDP/TCP) Simple username/password authentication. Specifying DNS addresses. IPv4/IPv6 dual stack. Global/per-App modes.

Play relaxing sounds to help you sleep, concentrate or stay calm. The sound files used are from soundbible.com and are licensed under Creative Commons or public domain. Sounds recorded by Tim, Mike Koenig, Mark DiAngelo, Lisa Redfern

SoftBoard is a simple whiteboard app for Android.Features:Infinite canvasColor PickerSupports multiple brush sizesExport Drawing as PNG or JPEG

Offline-first, privacy-focused options payoff and volatility surface simulator. Explore payoff diagrams for any option combination interactively using the Softplus pricing model (a quick and dirty approximation that avoids Black-Scholes rigidity). Markets are uncertain — no model is the ultimate truth. That’s why this app is built for play and intuition: tweak the volatility surface and instantly see how shocks, skew changes, term-structure shifts, or full volatility regime changes affect your strategy. Features: - Financial modeling of option prices linked to an interactive volatility surface. - Navigate and stress-test strategies across realistic market volatility scenarios. - No tracking, no data ever leaves your machine.

Push the jewels in to the green zones, but don't corner yourself! Sokoban is a fun and challenging puzzle game where you have to push red diamonds onto green targets without getting stuck. As diamonds cannot be pulled, only pushed one at a time, it's all too easy to get stuck and frustrated - but keep going and do not despair! * Enjoy hundreds of puzzling levels all challenging your brain muscles. * Totally free without in app purchases. * Compete against your friends in who can solve a particular level first. * Undo moves using the back button. * Pinch to zoom for an overview of large levels. This game features graphics and game data from the computer game KSokoban by Anders Widell and is released under the GPLv2 license.

Sokoban(g) is a sokoban (Japanese "warehouse keeper") puzzle game. The objective of the game is to push all the red gems to the green goal squares (using as few moves and pushes as possible). Use the arrow buttons to move; press 'u' to undo the last move.

Solar is an app to monitor off grid solar setups over bluetooth. It supports simultaneous monitoring of the battery and solar charger. When both devices are connected it can calculate the inverter power. Unlike the OEM app it does not require fine location access and does not have internet permission. Currently only the Junctek KH-F battery monitor (KH110F/KH140F/KH160F) and Ruijing 60A MPPT solar charger (sold under various brands like LiTime, HQST, etc.) are supported. Features: - Real time voltage, current, power, and energy readings - Live plotting of power readings of the charger, battery, and inverter - Reading history from the solar charger

Find directions using the position of the sun in the sky. Usage: Start the app and place your device horizontally. Now touch the sun icon on the screen and rotate it towards the position of the sun in the sky. The compass will automatically rotate to point the directions once you release the sun icon. Tips: To properly find the direction of the sun place your finger vertically on a horizontal surface. The direction of the shadow will be the exact opposite direction of the sun. The left upper corner of the screen contains your location information. You can touch the button by its side to enter a location manually. The right upper corner contains the help button. Clicking it will open a help screen detailing the usage instructions.

Solipsism Browser is a rail-first Android WebView browser designed around one-handed browsing. Navigation, tabs, search, QR scanning, refresh, and the overflow menu live in a compact side rail that can be placed on the left or right. The browser focuses on mobile ergonomics, privacy-aware controls, and a tactile Material Design 3 Expressive-inspired interface. Features include: * Left or right browser rail with multiple sizes, including Super Compact mode * WebView tabs, tab overview, bookmarks, history, downloads, and find in page * Full URL editor opened from the vertical URL rail * Built-in QR scanner powered by ZXing * Install Website as App support through Android pinned shortcuts * Incognito browsing, ad blocking, cookie controls, WebRTC settings, and clear-on-exit options * Decoy Mode for replacing recent browsing history with randomized realistic browsing sessions * Custom homepage with wallpaper and bookmark shortcuts * Fullscreen video handling for landscape playback Solipsism Browser does not include advertising SDKs, analytics SDKs, Firebase, or Google Play Services dependencies.

An open source solitaire game Supports Klondike, Freecell, and Spider solitaire variants, with more to come.

Privacy Friendly Solitiare is a Klondike Solitaire Game. Its goal is to move all cards to the foundations. A detailed description of the rules can be found in the app's help site. Which features offers Privacy Friendly Solitaire? Privacy Friendly Solitaire provides different difficulty levels that draw either one or three cards from the deck. Additionally there are the following versions of counting points: - None: No points are counted. - Standard: The Player starts with zero points, moves give different points. - Vegas: The Player starts at -52 points and tries to get more than zero points, while the deck can only be passed through one time. The Player can generate an automatic move by clicking the Hint-Button or automatically move all possible cards to the foundation by shaking the device (if it is activated in the Settings). Addtionally he can undo and redo moves. Optionally he is shown the time of play. When the game is almost won (meaning that there are no more cards turned face-down), it will finish automatically. How does Privacy Friendly Solitaire differ from other similar apps? 1) No permissions Privacy Friendly Solitaire does not require any permission. For comparison: The Top Ten similar apps from the Google Play Store, require an average of 11,1 permissions (March 2018). These are for instance the permission to access accounts, permissions to access, modify or delete storage and access to networks or the internet. 2) No advertisement Moreover, Privacy Friendly Solitaire distinguishes from many other applications in the way that it completely relinquishes advertisements. Advertisement might track a user's actions. It could also shorten battery life or use mobile data. This app is part of the Privacy Friendly Apps group developed by the research group SECUSO at Karlsruhe Institute of Technology.

Play Klondike (regular solitaire), Spider, Freecell, Forty Thieves and more. Free software, no ads, and no device permissions required. Features include multi-level undo, animated card movement, statistics/score tracking, and large card art option. Card Games include: * Forty Thieves * Freecell - build by alternate color * Double Freecell - 2 decks * Baker's Game - build by suit * Golf - no build on king, wrap cards * Klondike (regular solitaire) - unlimited passes through deck, deal 3 or 1 card * Vegas Solitaire - one pass through deck, deal 1 or 3 cards * Spider - four suits * Tarantula - two suits * Black Widow - one suit * TriPeaks - no build on king, wrap cards SolitaireCG is an adaptation of Ken Magic's "Solitaire" for devices with few hardware buttons. Changes against the original Ken Magic solitaire-for-android fix bugs, add games and portrait mode, and enable card dealing and playability in spider. New hi-res graphics have been added to the original card graphics to take advantage of today's larger, higher resolution screens. See News for changes against the original code, and project updates.

Solo Forge is a free and open source Android fitness app: an intermittent fasting timer, calorie and macro counter, weight tracker, and workout timer in one. No ads, no tracking, fully offline. It is built around local data ownership: * No backend * No accounts * No analytics * No crash reporting * Android cloud backup disabled * Explicit CSV export to a folder you choose Features: * Intermittent fasting timer with 16:8, 18:6, 20:4, and 36 hour modes * State-driven fasting reminders instead of daily notification spam * Food photo analysis using your own OpenRouter API key * Manual meal entry and editable macro estimates * Local calorie and macro goals * Weight history with charting * Simple, interval, and exercise/rest workout timers * Dashboard for fasting, nutrition, weight, workout time, and streaks Solo Forge sends a network request only when you start food photo analysis. That request goes to OpenRouter using the API key you provide. All saved meals, weight entries, workouts, fasting history, settings, and exports remain local to your device. Solo Forge is licensed under GPL-3.0.

A more optimized and debloated version of the SkolaOnLine online school system

HunkyMod is an interactive fiction manager and interpreter, aiming to be a comprehensive multi-interpreter similar to Gargoyle, with metadata and story management support. Scrolling works by tapping the screen at the top or bottom and if you experience problems try using the stock keyboard. * preloaded with stories * metadata and covers are fetched from IFDb * Tads support (Tads 2.5.14, 3.0.18) * improved Z-code support (Frotz 2.50) * blorb support * font preference HunkyMod is a fork/mod of the original Hunky Punk, created by Rafał Rzepecki, which hasn't been updated in a while.

SongSync is a simple Android app to download lyrics for songs in your music library.Features:Download lyrics for whole music library with a single clickDownload lyrics for individual songs in your music libraryEmbed lyrics directly to songsDownload lyrics from various providersSearch for lyrics for songs not in your music library (and download them)

SongTube is a new beautiful and fast application made in flutter, it supports YouTube audio and video downloading at any quality, In-App YouTube Browser, audio conversion, Playlists and an Audio tags editor.FeaturesVideo Download at any available QualityDownload HDR and 60fps VideosAudio Download at best available QualityAudio Tags & Artwork EditorAudio Filters (Volume, Bass, Treble)Audio Conversion (AAC, OGG and MP3) (optional)Full Playlist Downloads (Only Audio)Set custom path for Audio/Video downloadMusic Player built-inVideo Player built-inMusic EqualizerMusic PlaylistsYoutube Videos PlaylistsIn-App Youtube BrowserLight/Dark/Black ThemesAccent Color PickerUI Customizations

Songhay Language pack This is an expansion language pack for AnySoftKeyboard. Install AnySoftKeyboard first, and then select the Songhay keyboard from AnySoftKeyboard Settings -> Languages -> Keyboards menu.

An app related to Sonic 3 A.I.R. (Angel Island Revisited), a fan-made project that enhances and modernizes the classic game Sonic the Hedgehog 3.