Browse Open Source Software Alternatives

Transactional email delivery service for applications, sending receipts, password resets and notifications with delivery tracking.

Subscription billing service handling recurring plans, usage-based pricing, invoices, proration and failed payment recovery on top of Stripe payments.

Bot detection service that screens form submissions and logins, scoring visitor behavior or posing challenges, used by site owners to block automated abuse.

Accounting and invoicing software for freelancers and small businesses, covering invoices, expenses, time tracking, payments and financial reports.

Dictation tool that turns speech into cleaned up text inside any application, aimed at people who prefer writing by voice.

Zero trust network access and security service that connects users to internal applications and filters internet traffic without a traditional VPN.

Feature flag and experimentation service that ties every rollout to product metrics, used by engineering and growth teams running A/B tests and gradual releases.

Database administration and development client for MySQL, PostgreSQL, Oracle, SQL Server and MongoDB, with visual query building, data modeling and synchronization.

Voice dictation app for macOS that transcribes speech into text on the device and inserts it into any application.

Feedback tool where product teams collect feature requests, let users vote on them and publish a public roadmap and changelog.

Database IDE for writing SQL, browsing schemas, editing tables and moving data across many engines, aimed at developers and database administrators.

API client and testing platform for REST and GraphQL, with no code test flows, scheduled monitors and CI runs, used by backend and QA teams replacing Postman.

Transactional and marketing email API for developers, with templates written in React and delivery analytics.

Chat interface for large language models where you supply your own provider API keys, adding prompt libraries, plugins and folders for people who want one window across models.

Work management platform where teams build boards for projects, tasks and workflows, with views, automations and dashboards across marketing, sales and operations.

Cloud hosting service that deploys web services, static sites, cron jobs and managed Postgres from a Git repository, used by small teams who want deploys without managing servers.

Feedback and feature request tracking for product teams, collecting user ideas, votes and roadmap updates in a public or private portal.

Research assistant that grounds its answers in documents you upload, producing summaries, notes and audio overviews for students, researchers and writers.

Browser based diagramming for flowcharts, architecture maps and org charts, with real time collaboration for engineering, IT and business teams.

Zero trust remote access service that connects employees to private company resources without exposing a full corporate network.

General purpose AI agent that plans and carries out multi step tasks in its own cloud browser and shell, producing research reports, spreadsheets, slides and small websites.

Internal tooling platform where developers assemble dashboards and admin applications from components wired to databases and APIs.

Hosted observability stack from Grafana Labs bundling dashboards, Prometheus metrics, Loki logs and Tempo traces, used by engineering teams who want the stack run for them.

Accounting software for small businesses and their accountants, tracking income, expenses, invoices, payroll and sales tax reporting.

Authentication and user management for web applications, providing prebuilt sign in components, sessions, multi factor authentication and organization support.

Bot detection service that shows image challenges or invisible checks on forms and logins, letting site owners block automated traffic.

Password manager for storing logins, passkeys, cards and secrets, syncing them across browsers and devices for individuals, families and company teams.

Bot detection widget that verifies visitors are human without puzzles, embedded on forms and sign up pages to block automated abuse.

Email marketing and automation for small businesses, covering audience lists, campaign design, landing pages and reporting on opens, clicks and revenue.

Code editor with an agent that reads the repository, edits files and runs commands, built by Codeium and now shipped by Cognition as the Devin desktop app.

Workflow automation platform where developers connect APIs and run custom code steps triggered by events, webhooks or schedules.

Personal budgeting app that links bank accounts, sorts spending into categories and shows how much is safe to spend after bills, savings goals and recurring subscriptions.

Managed data pipelines that replicate records from business applications and databases into a warehouse and keep them in sync, for analytics teams.

Database client for macOS, Windows and Linux, browsing and editing tables, running queries and managing connections across many database engines.

Data integration service on Azure for building pipelines that copy and transform data between databases, files and SaaS systems, used by data engineers to feed warehouses.