190 tools across 17 categories. Filter by what you actually need — your language, your budget shape, whether it has to run on your own infrastructure.
38 tools
Session Replay
Behavioural product analytics with strong cohort and retention analysis.
Security Testing
Free dependency updates and vulnerability alerts, built into GitHub.
Test Data & Mocks
Generate realistic names, addresses, dates and text for fixtures, in any language.
A/B & Flags
The enterprise feature-flag platform, with experimentation layered on top.
Test Data & Mocks
A local AWS cloud emulator so you can test infrastructure without an AWS bill.
Security Testing
Highly configurable automated dependency updates, free and self-hostable.
Monitoring
Error tracking with stack traces, release attribution and now session replay.
Security Testing
Developer-first security across dependencies, code, containers and infrastructure.
Code Quality
The static-analysis standard: 30+ languages, quality gates, clean-as-you-code.
Test Data & Mocks
Real databases and services in throwaway Docker containers, per test run.
Security Testing
One open-source scanner for containers, filesystems, repos, IaC and Kubernetes.
Test Data & Mocks
The standard HTTP mock server for JVM and beyond: record, replay, stub, simulate faults.
Security Testing
Enterprise application security platform: SAST, SCA, DAST, IaC and API security.
Security Testing
Query your codebase like a database to find vulnerability patterns across the whole repo.
Monitoring
Full-stack observability with automatic dependency mapping and AI root-cause analysis.
Security Testing
Secrets detection across your repositories, history and developer machines.
A/B & Flags
Open-source feature flags and experimentation that runs on your data warehouse.
Security Testing
Software composition analysis with automated remediation and licence compliance.
A/B & Flags
The original web experimentation platform, now a full digital experience suite.
API Testing
Consumer-driven contract testing so services can deploy independently.
Session Replay
Open-source product analytics, replay, flags and experiments in one self-hostable platform.
Security Testing
Pattern-based static analysis where rules look like the code they match.
A/B & Flags
Feature flags, experimentation and product analytics in one warehouse-friendly platform.
Security Testing
Open-source secret scanning that verifies whether the credential is still live.
A/B & Flags
Open-source feature management with a privacy-first, self-hosted architecture.
Security Testing
Application security as a service, with policy enforcement and compliance attestation.
Code Quality
Automated code review with security scanning and coverage in the pull request.
Code Quality
Maintainability and technical-debt tracking with a ten-point rating.
A/B & Flags
Simple, cheap feature flags with unlimited team members on every plan.
Code Quality
Static analysis with autofix, tuned hard for low false-positive rates.
A/B & Flags
Warehouse-native experimentation with a serious statistics engine.
A/B & Flags
Open-source feature flags and remote config with straightforward self-hosting.
A/B & Flags
Experimentation and personalisation with a strong hybrid client/server model.
Code Quality
JetBrains' IDE inspections, running as a CI quality gate.
A/B & Flags
Feature delivery with automatic impact measurement on every flag.
Load & Performance
Constant-rate HTTP load testing from the command line, in Go.
Test Data & Mocks
Lightweight service virtualisation: capture real traffic, then simulate it.
Test Data & Mocks
Open-source data anonymisation and synthetic-data generation you can self-host.
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