Browse Open Source Software Alternatives

Column oriented time series database with the q query language, used by banks and trading firms to store tick data and run analytics over billions of rows.

API development tool combining design, mock servers, automated testing and documentation in one workspace, used by backend and QA engineers working from OpenAPI specifications.

Server control panel for managing websites, domains, mail, databases and hosting accounts through a web interface.

Localization platform for managing translation strings and files, combining a translation editor, machine translation and developer integrations, used by product teams shipping software in many languages.

Time tracking and invoicing tool for agencies and consultancies, logging hours against projects and turning them into billable invoices and reports.

Infrastructure monitoring platform that discovers servers, networks, cloud services and containers, collecting metrics and alerts in one console for IT operations teams and managed service providers.

Diagramming application for flowcharts, network maps, floor plans and process models, with stencil libraries and data linked shapes, used by analysts and IT teams documenting systems.

Electronic signature service for sending documents, collecting legally binding signatures and tracking approvals, used inside business and contract workflows.

Online whiteboard for workshops, diagrams, retrospectives and planning, where distributed teams arrange sticky notes, shapes and files on a shared infinite canvas.

Help desk software that turns email, chat, phone and social requests into tickets, with automation and a knowledge base, for customer support teams.

Course and membership platform for creators, bundling video lessons, landing pages, email marketing and payments so a coach or educator can sell directly to students.

Web tool for drawing entity relationship diagrams from a short text syntax, used by developers to sketch, export and share database schemas.

Compliance automation that monitors security controls and gathers evidence for SOC 2, ISO 27001 and similar audits, for security and GRC teams.

Social media management dashboard for scheduling posts, monitoring mentions and reporting on engagement across many accounts, used by marketing teams.

Chatbot builder with a visual drag and drop flow editor for websites, WhatsApp and Messenger, used by marketing and support teams to qualify leads and answer common questions.

Synthetic monitoring platform that runs Playwright browser checks and API checks on a schedule, alerting on failures, used by developers and SREs to catch broken flows before users do.

API management platform combining a gateway, developer portal and monitoring agent, giving backend teams rate limiting, token validation, serverless request handlers and usage analytics in one dashboard.

Publishing platform for long form articles, where independent writers and publications post essays and readers follow topics and authors in one feed.

Website analytics and A/B testing tool for marketers and agencies, tracking clicks, scrolls and funnels with heatmaps, and scoring tests against revenue recorded in Stripe.

Usage based billing infrastructure for software companies, metering product events and turning them into invoices, credits and revenue reporting.

Compliance automation platform for SOC 2, ISO 27001, HIPAA and GDPR, pulling evidence from cloud accounts, tracking controls and running audits, used by startups preparing for certification.

Cloud identity service handling sign in, single sign on, multifactor authentication and conditional access for employees using Microsoft and third party applications.

Sales CRM for tracking leads, contacts, deals and pipelines, with automation and reporting for small and mid-sized sales teams.

Online whiteboard for sketching ideas, diagrams, flows and workshop boards, used by product and design teams running collaborative sessions.

Privileged access management suite for vaulting credentials, rotating secrets and recording admin sessions, used by security teams in regulated enterprises to control who reaches production systems.

Platform for creators to sell online courses, digital downloads, memberships and newsletters from their own storefront.

Coding agent from Google that works asynchronously on a cloud virtual machine, reading a GitHub repository, fixing bugs and writing tests, then opening a pull request for review.

Document management and workflow software that captures, indexes and routes invoices, contracts and records for finance and administration departments.

Vector design tool for macOS, used by product and interface designers to draw screens, build component libraries and hand off specs.

Task manager for capturing to-dos, organizing them into projects with due dates and labels, and sharing lists with other people.

Customer data platform that collects events from apps and websites and routes them to analytics, marketing and warehouse destinations.

Web hosting control panel for managing servers, domains, email accounts, databases and backups, used by hosting providers and server administrators.

Text and code editor for Windows, macOS and Linux, focused on fast navigation, multiple selections and a plugin API.

Shared inbox and help desk for support teams, handling customer email, live chat and knowledge base articles from one conversation view.

Platform for building and selling online courses and memberships, with course pages, student management and payments for creators.