Open Source Alternatives To Popular Software

A popular iOS habit tracking app that helps you form good habits by tracking daily streaks with a beautiful, minimal interface.

StreamYard is a browser-based live streaming studio that allows creators to produce professional streams with guests, screen sharing, and branding. Popular for podcast interviews, webinars, and social media live streams.

Streamlabs Desktop (formerly Streamlabs OBS) is a free, closed-source streaming app based on OBS Studio, developed by Streamlabs. It bundles scene composition, overlays, alerts, and monetization features, with premium tiers for extra widgets and themes.

Strong is a popular workout tracker for iOS focused on strength training and weightlifting. It helps users log sets, reps, and weights, track progress over time, and follow custom routines. Available with optional premium subscription features.

Sublime Text is a proprietary, cross-platform text editor from Sublime HQ known for its speed, minimal interface, and powerful multi-caret editing. It is free to evaluate with an indefinite trial and licensed per user after that.

Submagic is an AI-powered video editing platform for creating short-form content with auto-generated captions, B-roll, transitions, sound effects, and viral hooks. It is widely used by creators and marketers to quickly produce TikToks, Reels, and YouTube Shorts.

Sumo Logic is a cloud-native SaaS platform for log management, analytics, and observability. It ingests machine data from applications and infrastructure, offering real-time dashboards, alerting, and security analytics. Pricing is subscription-based and typically measured on data ingest volume.

Sunsama is a daily planner and timeboxing app by Sunsama Inc. aimed at busy professionals. It pulls tasks in from tools like Asana, Trello, Jira, GitHub, Slack, Notion, and Todoist, guides users through a daily planning ritual, and schedules selected tasks as time blocks next to Google Calendar or Outlook events. It also tracks time spent per task and produces weekly summaries and time reports.

Super Mario is a platform game series created by Nintendo and Shigeru Miyamoto. Players control Mario, jumping across levels to defeat enemies and rescue Princess Peach in the Mushroom Kingdom.

Superhuman is a premium email client known for its speed, keyboard shortcuts, and AI features. It costs $30/month and is designed for professionals who want to reach inbox zero quickly with a streamlined, command-line inspired interface.

Surfshark is a commercial VPN service operated by Surfshark Ltd. offering encrypted tunnels across 100+ countries with extra features like ad blocking, malware protection, and multi-hop connections. It is marketed to consumers and businesses seeking online privacy and geo-unblocking.

SwaggerHub is an API design and documentation platform by SmartBear, built around the OpenAPI standard. It provides collaborative editing, versioning, and governance tools for managing API specifications at scale.

Synology DSM (DiskStation Manager) is the proprietary operating system that runs on Synology NAS devices. It provides a web-based interface for file storage, backups, media serving, surveillance, and a package center of first-party and third-party apps. DSM ships bundled with Synology hardware, which spans consumer to enterprise models, so using it generally means buying Synology hardware.

Synology Photos is a photo and video management application for Synology NAS devices, offering AI-powered facial recognition, auto-organized albums, mobile backup, and sharing features for personal cloud storage.

Mac temperature monitoring and fan control utility that displays internal temperatures, checks hardware health, and allows manual fan speed adjustment.

TV Time is a mobile app for tracking TV shows and movies you watch. It lets you log episodes, discover new content, read reviews, and connect with other fans. Owned by Whip Media, it is one of the most popular media tracking apps with millions of users worldwide.

A native, high-performance database management tool for relational databases including MySQL, PostgreSQL, SQLite, and more.

Tableau is a visual business intelligence and analytics platform, owned by Salesforce, used to build interactive dashboards, reports, and data visualizations from spreadsheets, databases, and cloud data warehouses.

Tailscale is a zero-config VPN that creates a secure mesh network between your devices using WireGuard. It is developed by Tailscale Inc.

Fast, affordable automated speech-to-text transcription service powered by Rev.com.

Temp Mail (temp-mail.org) is a free disposable email service that provides throwaway email addresses for signing up to websites without using a real inbox. It auto-generates addresses, refreshes them periodically, and exposes the received messages through a web inbox and APIs.

TempMail.io is a disposable email service that generates temporary email addresses for receiving verification emails, signups, and spam. It offers a web inbox, mobile apps, and a public API, with a premium tier for longer retention and custom domains.

GIF search engine and keyboard owned by Google. Provides animated GIF search and sharing integrated into Messages, Gmail, and other Google services.

The Settlers is a real-time strategy city-building game series developed by Blue Byte and published by Ubisoft. Players build economies, manage resources, and grow settlements while trading and competing with other factions.

Things 3 is a premium task manager for macOS, iOS, and iPadOS built by Cultured Code, focused on projects, areas, headings, and a clean Today/Upcoming/Inbox workflow. Sold as a one-time purchase per platform with no subscription.

Thunder Client is a lightweight REST API client built as a Visual Studio Code extension. It enables developers to test APIs directly within their editor without leaving the IDE, and offers team collaboration features through paid plans.

TickTick is a cross-platform productivity app combining tasks, habits, a Pomodoro focus timer, calendar, and an Eisenhower matrix. Free tier available, with a Premium subscription unlocking reminders, calendar subscriptions, and timeline views.

Tidal is a subscription music streaming service owned by Block, Inc. and Jay-Z, known for its high-fidelity audio offerings including FLAC and MQA-encoded streams, exclusive editorial content, and artist-focused initiatives. It offers lossless and Dolby Atmos playback on mobile, desktop, and supported hi-fi equipment, positioning itself as a premium alternative for audiophiles.

Tidio is a commercial customer-experience platform that combines live chat with AI-powered support bots, most notably its Lyro AI agent. Lyro is trained on a company help articles, FAQs, and other content so it can answer customer questions automatically, while Tidio also provides canned responses, chat queues, and multichannel messaging across website chat, email, and Messenger/Instagram. The product is sold as a subscription with a free tier and paid plans, and the AI backend runs on Tidio infrastructure with no self-hosting option.

TinyPNG is a popular online image compression service that reduces file sizes of PNG and JPEG images without noticeable quality loss. Widely used by web developers and designers to optimize images for faster page loads.

A macOS app to take and polish screenshots in seconds with backgrounds, annotations, compositions, AI background removal, and more.

TinyURL is one of the oldest and most widely used URL shortening services, allowing users to create short aliases for long web addresses.

Open source alternatives to Todoist.

Toggl Track is a time tracking app developed by Toggl. It offers simple, lightweight time tracking with project and client management features for freelancers and teams.

TrackMySubs is a web-based subscription tracker aimed at entrepreneurs and small businesses. It monitors recurring payments, sends renewal alerts via email, Slack, SMS and other channels through Zapier, supports 160 currencies, and offers CSV import/export and reporting.

TradeSanta is a cloud-based cryptocurrency trading bot platform that enables automated trading across multiple exchanges. It offers DCA bots, grid bots, and long/short strategies with a user-friendly interface and mobile app support.

Web-based charting platform and social network for traders with real-time market data and technical analysis tools.

Trakt is a platform that helps you track movies and TV shows you have watched, discover new content, and share your viewing history with friends. It integrates with many media players and services like Plex and Kodi to automatically scrobble what you watch.

Transifex is a cloud localization platform for app, web, and content translations, with a web editor, API and CLI, machine translation, and continuous localization integrations sold on subscription plans.

Transistor is a podcast hosting and analytics platform designed for professionals and businesses. It offers unlimited podcasts, advanced analytics, and private podcasting features.

Transport Tycoon is a business simulation game series developed by Chris Sawyer and published by MicroProse. Players run a transport company, building railways, roads, and airports to move passengers and freight profitably.

A hosted continuous integration service used to build and test software projects hosted on GitHub and Bitbucket.

Trello is a visual collaboration tool that uses boards, lists, and cards to organize projects and tasks. Owned by Atlassian, it is one of the most popular Kanban-style project management tools.

AI-powered transcription platform for journalists, media teams, and content creators with collaborative editing.

TripIt is a travel-planning organizer owned by Concur (SAP) that builds a master itinerary from confirmation emails for flights, hotels, cars, restaurants and rail. Available on web, iOS and Android, with a Pro tier adding real-time flight alerts, seat tracking, refund monitoring and point-tracking across loyalty programs.

Twitch is the most popular live streaming platform, primarily for gaming but also covering creative content, music, and IRL streams. Owned by Amazon, it offers monetization through subscriptions, bits, and advertising for partnered creators.

Open source alternatives to Twitter.

Typeform is a SaaS online form building and survey software developed by Typeform S.L. The company is known for its conversational, one-question-at-a-time form interface.

Ubooquity is a free, closed-source home server for managing and reading comics, manga, and ebooks. Written in Java, it provides a web-based reader and OPDS feed for accessing your library from any device. Development was active until 2017 and the project is no longer maintained.

Enterprise robotic process automation (RPA) platform that automates repetitive business processes including web data extraction, form filling, and application integration.

An embeddable drag-and-drop builder for emails, pages, and documents designed for SaaS platforms. Features white-label capabilities, enterprise-grade security with SOC 2 compliance, TypeScript SDKs, and integrations with React, Vue, Angular, and Next.js.