Browse Open Source Software Alternatives

Messaging API for sending and receiving email, SMS, voice and WhatsApp from one integration, handling A2P 10DLC registration, aimed at startups and developers wiring up notifications.

Payment and billing platform acting as merchant of record for software sellers, handling subscriptions, license keys, VAT and sales tax filing across more than a hundred countries.

App builder that turns plain language prompts into working web apps, handling database, authentication and hosting behind the scenes, used by founders and product teams shipping without engineers.

Writing assistant that checks grammar, spelling, tone and clarity as you type in browsers, documents and email, for students and professionals.

Voice dictation app for Mac, Windows, iOS and Android that transcribes speech, strips filler words and formats the result, used by writers, developers and note takers.

Chat and messaging API providing in-app conversations, calls and notifications for mobile and web products.

Community platform where creators run a paid or free group with discussion, courses, events and member payments in one place, used by coaches and course creators.

Feedback management service for collecting feature requests from customers, ranking them by demand and sharing product plans back with users.

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.

Data virtualization platform that exposes databases, warehouses and APIs as one queryable layer without copying data, used by enterprise data teams building governed access for analytics.

Paid search engine with no ads, letting subscribers rank or block domains, plus lens filters and an assistant that answers questions with sources.

Observability tool built on wide events and traces, letting engineers slice production telemetry by any field to work out why a specific request or user was slow.

Corporate card and spend management service for startups, combining cards, expense reports, bill pay and business accounts so finance teams can track spending without chasing receipts.

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.

Hosted API mocking service that stands in for third party and unfinished services, letting developers and QA teams simulate responses, latency and faults while testing against unstable dependencies.

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

Realtime messaging platform with pub sub channels, presence and message history over WebSockets, used by developers to add live chat, notifications and multiplayer updates without running their own infrastructure.

Digital asset management platform for storing, tagging and distributing images, video and documents from one library, used by marketing and creative teams to keep brand assets consistent.

Cloud ERP suite covering financials, distribution, manufacturing, construction and field service, sold to mid sized companies and delivered through a network of implementation partners.

Ad and tracker blocker with browser extensions, desktop and mobile apps and a public DNS service, used by people who want filtering outside the browser as well as inside it.

Cloud compute service renting virtual machines by the hour, with a wide range of instance types, used by engineering teams to run servers and workloads on AWS.

Customer support tool that pulls Slack, email and an in app widget into one inbox, letting product teams reply, prioritize requests and tie feedback back to the roadmap.

Remote desktop software for connecting to and controlling computers over the internet, used for remote work, file transfer and IT support sessions.

Unified API service that maps many SaaS vendors onto one interface for accounting, CRM, HRIS and file storage, used by product teams shipping customer integrations without maintaining each connector.

Illustration and painting app for iPad and iPhone with pressure sensitive brushes, layers and frame by frame animation, bought once by artists, comic creators and concept designers.

Email service with end to end encryption and Swiss hosting, offering web, mobile and desktop apps, custom domains and a calendar, used by people wanting private mail.

Enterprise web and app analytics product for segmenting visitor behavior, building funnels and attributing conversions across channels, used by marketing and product teams inside Adobe Experience Cloud.

Product information management system where retailers and manufacturers centralise catalog attributes, images and translations, then syndicate them to online stores, marketplaces and print channels.

Compute platform built on Ray for running distributed Python, model training and batch inference across autoscaling clusters, used by machine learning teams that need more than one machine.

Mobile DevOps service for Capacitor and Ionic apps, running native builds, over the air live updates and store submissions, with native plugins for device features.

Site builder for responsive one page sites such as portfolios, link pages and landing pages, with forms, custom domains and a yearly subscription.

Video editor for short form content, with templates, captions, effects and background removal, available on mobile, desktop and the web.

Application security testing for development teams, scanning source code, dependencies and APIs for vulnerabilities across the software delivery lifecycle.

Support platform for B2B companies that handles customer conversations across Slack, Microsoft Teams, email, chat and phone, combining human agents with AI that investigates and resolves incoming requests.

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