Browse Open Source Software Alternatives

Word processor from Microsoft for writing and formatting documents, with track changes, comments, styles and templates, used across offices for reports, contracts and letters.

Cookie consent and compliance tool for websites, scanning trackers, showing consent banners and recording visitor choices for privacy regulations.

Event ticketing and registration platform where organizers publish events, sell tickets, promote them and check attendees in at the door.

No-code app builder for internal tools and client portals, built on data from Airtable, Google Sheets or its own database, with user logins and role based permissions.

Product management tool that turns customer feedback and usage data into opportunity trees, roadmaps and draft specs, used by product managers deciding what to build next.

Market research terminal covering equities, ETFs, macro data and earnings transcripts, with screeners and custom dashboards used by financial advisors and analysts building client reports.

Crypto trading platform with automated bots, smart orders and portfolio tracking, connected to exchange accounts by traders who want rule based execution.

Robotic process automation platform where teams build software robots that operate desktop and web applications to run repetitive business tasks.

Web data API for scraping pages into Markdown, crawling whole sites, extracting JSON to a schema and watching pages for changes, used by teams building RAG pipelines and agents.

Website and online store builder aimed at solo business owners, adding bookings, invoices, payment links and a contact database on top of pages generated from a few questions.

Billing and monetization platform for SaaS and AI products, handling subscriptions, usage metering, feature gating and checkout, and acting as merchant of record for sales tax worldwide.

API orchestration platform that federates GraphQL and REST services into one graph, with schema registry, routing and observability, used by backend and frontend teams at large product organizations.

Access platform that issues short lived certificates for SSH, Kubernetes, databases and internal web apps, recording sessions and enforcing policy for infrastructure teams replacing shared credentials and VPNs.

Attack surface management platform that maps domains, subdomains and ports, then scans web applications and APIs for vulnerabilities, used by security teams tracking internet facing assets.

Appointment booking software for service businesses, showing real time availability, taking payments and sending reminders, used by coaches, salons and clinics to fill their calendars.

Operating system for home and small business servers that pools mixed drives into shared storage and runs apps and virtual machines.

Voice note app that transcribes rambling speech and rewrites it as clean prose in a chosen style, used by writers, founders and anyone who thinks faster than they type.

Customer service platform with an AI agent that answers common questions across website chat, email, WhatsApp and Instagram, plus a shared inbox where staff take over harder conversations.

Feedback tool for collecting feature requests, letting users vote on them and publishing a public roadmap and changelog.

Newsletter publishing platform with an editor, subscriber management, paid subscriptions and an ad network, used by writers and media companies running email newsletters as a business.

Hosted continuous integration service that runs builds and tests from a YAML file on each push to GitHub or Bitbucket, used by teams for pull request checks.

Model routing service that sits between your application and providers like OpenAI and Anthropic, picking a model per request on cost and quality, with automatic failover during outages.

AI assistant that runs as a browser extension and desktop app, routing chat, writing, translation and page summaries through models like GPT, Claude and Gemini from a sidebar.

Operating system for Synology network attached storage, managing files, backups, users and add-on apps such as photo and media servers from a browser.

Email and calendar client from Microsoft, covering mail, contacts, tasks and meeting scheduling across desktop, web and mobile, used mainly inside organizations running Exchange or Microsoft 365.

Authorization service that centralizes permission policies, giving teams a UI and APIs to define roles and attribute based rules that applications call at request time.

Ticketing platform for conferences and events, handling registration, discount codes, check in and attendee data, used by organizers who sell tickets from their own site.

Desktop and mobile browser from The Browser Company, built on Chromium with a tab sidebar, spaces separating work from personal browsing and split view, now in maintenance as the company focuses on Dia.

Cleanup utility for Windows and macOS that removes temporary files, browser data and unused registry entries to free disk space.

Writing assistant that checks grammar, style and readability in long documents, with reports on repetition, pacing and sentence structure.

Music and podcast streaming service with a catalog, playlists and recommendations, available on phones, desktops and connected speakers.

Authenticator app from Microsoft holding time based codes and push approvals for sign ins, used with Entra ID accounts at work and with personal Microsoft and third party logins.

Note taking app built on bidirectional links and daily outlines, used to connect ideas into a personal knowledge graph.

Read later app that saves articles, newsletters, PDFs and videos into one queue, with text to speech playback, highlights and tags for people who read across many sources.

Coding agents called Droids that run in a desktop app, CLI or browser to write, review, test and document code, used by enterprise engineering teams for migrations and on-call work.