Finde die besten Open-Source-Alternativen zu beliebter Software.

ALTCHA offers cutting-edge spam and abuse protection for websites and apps, with privacy-friendly CAPTCHA alternatives designed for GDPR compliance.

Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.

All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.

An open-source design platform featuring a customizable canvas editor, AI-powered tools, and React components for building modern web applications.

A comprehensive collaboration platform offering end-to-end encrypted messaging, file sharing, and video calls with enterprise-grade security and compliance features.

Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.

A peer-to-peer encrypted filesystem for secure file storage, sharing, and collaboration with end-to-end encryption and user-controlled data.

Self-hosted file sharing platform with encryption, S3 storage, REST API, and lightning-fast uploads. Deploy in minutes with full data control.

Reduce fraud and speed underwriting with AI-driven risk intelligence for PSPs, banks, and fintechs.

Organize tasks and chores with intelligent scheduling, fair assignment, and collaboration features. Perfect for families and teams with smart notifications.

Elementary provides dbt-native data observability to detect issues, understand root causes, and resolve problems quickly in data pipelines.

Fleetbase is a comprehensive open source logistics suite offering API, TMS, driver and customer apps for streamlined operations and development.

Self-hosted health intelligence platform with open algorithms, AI reasoning engine, and zero per-user fees. Connect Apple Health, Whoop, Garmin, Oura, and more.

WR.DO offers free domain name distribution and short URL generation, built on Cloudflare's infrastructure for reliability and speed.

A mobile app for interacting with private, local large language models that work offline and are optimized for Apple silicon.

Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.

Frappe Builder is an open-source, low-code website builder that enables users to create beautiful, responsive websites with an intuitive visual interface.

Open-source container orchestrator designed for AI teams. Manage GPU workloads, dev environments, and model deployments across any cloud or on-prem cluster.

Monitor networks, servers, and cloud environments with flexible open-source solution. Custom checks, fast alerts, and complete infrastructure control.

Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.

Transform bare metal servers into a complete cloud platform with REST API for Kubernetes clusters, databases, VMs, and load balancers. Build your own cloud.

Open source billing platform that turns events into revenue with real-time metering, usage limits, and flexible pricing. Integrates with Stripe, CRMs, and payment providers.

Sequin offers a feature-rich messaging system with a simple HTTP API, providing RabbitMQ-like functionality without adding complexity to your stack.

Open-source email marketing platform offering unlimited subscribers, campaigns, and workspaces. Self-hosted solution with powerful API and beautiful interface.

Open-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding

A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation.

Create and sell online courses with rich content blocks, AI tools, payments, and full white-labeling. Open-source platform with self-hosting options.

A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.

Nitric automates cloud infrastructure provisioning from your application code for AWS, GCP and Azure

A powerful platform for technical writing, offering real-time collaboration, version control, and seamless integrations.