Open source. Open possibilities.

Checkov is an open-source static analysis tool that scans infrastructure-as-code files and container images for security misconfigurations and vulnerabilities, supporting Terraform, CloudFormation, Kubernetes, Dockerfile, and more with over 1000 built-in policies.

SMTP Tool is a portable Windows desktop application for testing, diagnosing, and debugging SMTP servers. It supports TLS 1.3, real-time open/click tracking via local HTTP server, latency benchmarking, and interactive protocol terminal.

Sentry is a developer-first debugging platform for error tracking and performance monitoring, with official SDKs for many languages and frameworks.

QA Studio is an open-source, self-hostable test management platform for QA teams. It offers hierarchical test suites and cases, test run planning across environments, rich dashboards for results and trends, media attachments, and a full REST API.

Tach is a Rust-powered Python tool designed to visualize and enforce dependency boundaries and interfaces within a modular architecture.

A tool to apply changes across multiple repositories simultaneously by running scripts or programs in their context.

Grafana Pyroscope is a continuous profiling platform that surfaces performance insights from your applications, helping you optimize CPU, memory and I/O usage and debug bottlenecks down to a single line of code.

Reticle is a proxy and desktop UI for debugging MCP integrations. It intercepts, visualizes, and profiles MCP JSON-RPC traffic in real time with microsecond-level overhead, letting developers inspect messages, correlate request-response pairs, profile latency, capture server errors, and record sessions for export.

debux is an open-source container debugger for Docker and Kubernetes that debugs distroless, scratch, and minimal images with a ready-to-use toolbox. It attaches to targets, shares namespaces, and exposes the filesystem for inspection.