Browse Open Source Software Alternatives

Browser versions of Word, Excel, PowerPoint and OneNote that Microsoft offers free with an account, editing and sharing documents from OneDrive without installing anything.

Management interface for Docker, Kubernetes and Swarm, giving teams a browser view of containers, images, volumes and stacks with role based access instead of the command line.

Enterprise suite for human resources, payroll, finance and planning, used by large organizations to manage headcount, close the books and report on both from one system.

Web debugging proxy from Telerik that captures HTTP and HTTPS traffic on Windows, macOS and Linux, used by developers and testers to inspect requests, mock responses and reproduce API bugs.

Desktop database from Microsoft that stores tables in a single file and builds forms, queries and reports over them, used for small business record keeping and departmental tools on Windows.

Booking and client management software for service businesses, handling online appointments, Stripe payments, reminders and a simple website, used by therapists, trainers, salons and consultants.

Security automation platform where teams build no code workflows that triage alerts, enrich indicators and contain threats across their tools, used by SOC and incident response staff.

Backend as a service for building APIs and databases without code, giving product teams a hosted Postgres database, visual business logic and generated REST endpoints for their apps.

Audio editing and mixing application for recording, restoring and mastering sound, used by podcasters, video editors and broadcast engineers.

In app onboarding tool for building product tours, checklists and announcement messages without engineering work, aimed at product and customer success teams.

AI customer service platform that automates support conversations across chat, email and voice for companies handling large volumes of inbound requests.

Messaging automation for product teams, building email, push, SMS and in app campaigns triggered by customer behavior and event data.

Media management service for images and video, handling uploads, storage, on the fly transformations and delivery through a content network.

Notification API for product teams, routing messages across email, SMS, push and chat with shared templates, user preferences and delivery logs.

Fund administration platform for venture capital, handling fund formation, capital calls, SPVs and investor reporting, used by fund managers and accredited investors in private markets.

Payments infrastructure for accepting card and bank transactions online, with APIs for checkout, payouts, fraud checks and reporting.

Security orchestration and automation for incident response teams, running playbooks across security tools and managing investigations and cases from one console.

Fraud prevention service that scores user activity in real time, helping online businesses block payment fraud, fake accounts and abuse.

Test automation service for web and mobile apps, recording user journeys in the browser, running them on a schedule and repairing selectors when the interface changes.

Writing and scheduling tool for posts and threads on X and other social networks, aimed at creators who publish regularly.

Compliance service for websites and apps generating privacy policies, terms and cookie banners, with consent records for GDPR, used by small businesses without in house legal counsel.

Video hosting and streaming service for publishing, sharing and embedding video, with playback controls, privacy settings and analytics for creators and businesses.

Healthcare API combining lab test ordering across a nationwide network with wearable device data, used by virtual clinics and health platforms to launch testing programs without building the plumbing.

Reference manager for researchers and students, organizing PDFs, generating citations and bibliographies in word processors and syncing a personal library across devices.

User research platform for unmoderated usability tests, surveys and prototype validation, giving product and design teams quantitative feedback from real participants.

Product information management platform where brands and retailers store product data and images and syndicate them to sales channels.

Digital audio workstation from Avid for recording, editing and mixing, with track counts and post production tools that made it standard in music studios and film sound.

Embeddable CSV importer for SaaS products, handling column mapping, validation rules and error correction in the browser so customer onboarding does not fall to support engineers.

Mobile build and delivery service that compiles Capacitor, Ionic and React Native apps in the cloud, ships live updates and submits to app stores for mobile teams.

JavaScript data grid component for React, Angular and Vue, handling large tables with sorting, grouping, pivoting and cell editing, licensed by developers building internal tools.

Study app with flashcards, practice tests and games that students use to memorize terms and definitions across subjects.

Database schema change management tool that tracks migrations as versioned changelogs, applying and rolling them back across environments, used by teams that deploy database updates through CI pipelines.

Document processing platform that turns PDFs, slides, emails and scans into clean structured text and chunks, used by teams feeding enterprise files into search indexes and language models.

News aggregator where members submit, vote on and discuss links, relaunched in 2025 under new ownership with a technology heavy front page, read by developers and internet culture followers.

Online store builder for selling digital downloads, subscriptions, physical goods and print on demand merchandise, used by creators who want checkout and delivery handled without a full ecommerce stack.