Browse Open Source Software Alternatives

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

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

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.

GPU cloud for training and serving machine learning models, offering on demand pods and serverless endpoints, used by AI teams that want capacity without long term commitments.

Software company making IDEs such as IntelliJ IDEA, PyCharm, WebStorm and Rider, plus the Kotlin language and TeamCity, used by professional developers across most language ecosystems.

Dictation app for Mac and iPhone that turns speech into text in any application, plus voice notes and meeting transcription without a bot joining the call.

Product analytics service that ties events to individual people across devices, reporting funnels, cohorts, retention and revenue attribution for growth and marketing teams.

Document analysis platform for finance, running structured queries across filings, transcripts and internal files to build answer matrices with citations, used by investment banks and law firms.

Photo editing and cataloging application for organizing raw images, applying non destructive adjustments and syncing libraries across devices, aimed at photographers.

Racks of AWS hardware installed in a customer data center, running EC2, EBS and other services locally for workloads with latency or data residency requirements.

Desktop Git and Mercurial client for Windows and macOS, showing branches, commits and merges visually for developers who prefer a graphical interface.

AI app builder that turns prompts into full stack web projects in the browser, letting people edit, run and deploy the generated code.

Portfolio tracker that consolidates bank accounts, investments, crypto and property into a single net worth view for individuals and families.

Feedback board where users post feature requests and vote on them, with a public roadmap and changelog, used by product teams to decide what to build next.

Email marketing and automation platform with built in CRM, used by small businesses to run campaigns, segment contacts and trigger follow up sequences.

Mobile app for tracking watched TV episodes and movies, following show progress and getting reminders about upcoming releases.

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

Photo editing application for retouching, compositing, raw development and HDR merging, used by photographers and designers, now given away free under a Canva account.

Hosted headless browser service for scraping and automation, running Puppeteer and Playwright scripts on managed Chrome instances so teams skip maintaining their own browser fleet.

Invoicing tool for freelancers and small businesses, creating estimates and invoices, tracking time and expenses, and chasing payment with automatic reminders and online payment links.

Authorization service for application developers, modeling roles, relationships and fine grained permissions in a policy language and answering access checks from application code.

Telemetry pipeline that collects logs, metrics and traces, then filters, enriches and reshapes them before routing to storage and analysis destinations.

Smart home platform from Samsung, pairing lights, locks, sensors and appliances over Zigbee, Z-Wave, Thread and Matter, with routines and a phone app for controlling everything in one place.

Email service from Google with search, labels, spam filtering and storage tied to a Google account, used by individuals and by companies through Workspace.

Social media scheduling tool for X, LinkedIn and Threads, queueing posts, recycling evergreen threads and auto plugging replies, used by creators and founders growing an audience on a schedule.

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

Help desk software that turns email, chat, phone and social messages into tickets, with a knowledge base, SLAs and automation, used by customer support teams.

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.

Low code platform for building enterprise web and mobile applications visually, aimed at business developers and IT teams delivering internal systems.

Builds web applications from natural language prompts, generating a React codebase that non engineers and small teams can preview, edit and deploy.

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.

Embedded integration platform that lets SaaS companies ship native connections to Salesforce, Slack and other customer apps, handling auth, sync and monitoring for product engineering teams.

Ecommerce platform that adds a store to an existing website, blog or social page, handling catalog, checkout and payments for small merchants who do not want to rebuild.

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

Chat assistant from Google built on the Gemini models, answering questions, writing and analysing text, images and code, with access to Search, Gmail and Workspace files.