Free developer tools for tracking software release risk. CVE monitoring, end-of-life checks, dependency scanning, and upgrade planning.
Browse 84 Free ToolsFree developer tool from ReleaseRun.
Container Image Size Optimizer Paste a Dockerfile to get layer by layer size optimization suggestion
Free developer tool from ReleaseRun.
Docker Compose to Kubernetes Converter Convert your docker-compose.yml to production-ready Kubernete
🐳 Docker Tag Explorer Docker Image Fetch Tags Popular Images Filter Tags Sort By Newest FirstSmalles
Tool page – uses page template
Free developer tool from ReleaseRun.
Kubernetes RBAC Policy Generator Generate least-privilege Role, ClusterRole, and Binding YAML for Ku
Kubernetes Resource Calculator Calculate CPU and memory requests and limits for your Kubernetes work
Kubernetes Upgrade Simulator Plan your cluster upgrade path with confidence. See every API deprecati
Free developer tool from ReleaseRun.
CI/CD Pipeline Cost Calculator Compare real costs across GitHub Actions, GitLab CI, CircleCI, Buildk
CIDR / Subnet Calculator Calculate subnets, split networks, and visualize IP address allocation 🔢 Ne
Free developer tool from ReleaseRun.
Paste your workflow YAML. Instantly see which GitHub Actions are outdated, unpinned, or from unverif
GitHub Actions Workflow Optimizer Paste your workflow YAML and get concrete optimization advice for
Free developer tool from ReleaseRun.
Terraform Provider Compatibility Matrix Check which provider versions work with your Terraform versi
📋 Load Example Migration 1. Paste SQL Migration Database Generic SQLPostgreSQLMySQL / MariaDBSQLite
📋 Load Example Migration 1. Paste SQL Migration Database Generic SQLPostgreSQLMySQL / MariaDBSQLite
Free developer tool from ReleaseRun.
Is My Stack Supported? Paste your stack versions and generate a shareable support report card with E
Free developer tool from ReleaseRun.
Free developer tool from ReleaseRun.
Free developer tool from ReleaseRun.
Free developer tool from ReleaseRun.
Free developer tool from ReleaseRun.
Free developer tool from ReleaseRun.
Paste your .csproj file and get instant health grades for every NuGet package — latest versions from
API Deprecation Timeline Track upcoming API sunsets across Google Cloud, AWS, Azure, Stripe, Twilio,
Paste your Cargo.toml [dependencies] block and get an instant health grade for every Rust crate — la
Free developer tool from ReleaseRun.
Tool page – uses page template
Paste go.mod. Checks each direct dependency against the Go proxy for major/minor/patch version gaps,
Paste your go.mod file and get an instant health grade for every Go module — latest versions on the
Paste your build.gradle (Groovy or Kotlin DSL) and get instant health grades for every Java dependen
Free developer tool from ReleaseRun.
Paste pom.xml or Maven coordinates. Checks each dependency against Maven Central for latest version
Paste your pom.xml dependencies block and get an instant health grade for every Maven dependency — l
Check any NuGet (.NET) package for latest version, deprecation status, and active maintenance. Insta
Check any PHP Composer package (Packagist) for latest version, abandonment status, and active mainte
Paste your composer.json and get instant health grades for every PHP package — latest from Packagist
Paste requirements.txt. Checks each Python package on PyPI for deprecated status, last release date,
Free developer tool from ReleaseRun.
Paste your Gemfile.lock or Gemfile and get instant health grades for every Ruby gem — latest version
Check any Ruby gem (RubyGems.org) for latest version, download activity, and active maintenance. Gra
Paste Cargo.toml. Checks every dependency against crates.io for the latest version, yanked status, d
Free developer tool from ReleaseRun.
Paste your package.json. See which npm dependencies are deprecated, abandoned, single-maintainer ris
package.json Deep Audit Audit your Node.js dependencies for license conflicts, bundle bloat, depreca
Paste your package.json and get a health grade for every dependency — latest versions, version gaps,
Paste your pyproject.toml and get instant health grades for every Python dependency — latest version
Paste your requirements.txt and get a health grade for every Python package — latest versions, how f
Paste your .env file and detect exposed secrets, hardcoded credentials, high-entropy tokens, and ris
.env Security Scanner Paste your .env content and get an instant risk report for exposed secrets, we
🔍 CVE Lookup Package Name Ecosystem npm (Node.js)PyPI (Python)GoMaven (Java)crates.io (Rust)RubyGems
Free developer tool from ReleaseRun.
Dependency Vulnerability Scanner Paste your dependency file and get an instant vulnerability report
Paste your docker-compose.yml. Checks every service for critical security issues: Docker socket moun
Free developer tool from ReleaseRun.
Paste your GitHub Actions workflow YAML. Checks for pull_request_target misuse (supply chain attack
Paste HTTP response headers from curl -I https://your-site.com or your browser DevTools (Network tab
Paste your Kubernetes YAML. Instantly checks for 12 common security misconfigurations: running as ro
Free developer tool from ReleaseRun.
Free developer tool from ReleaseRun.
Paste your Terraform .tf file. Checks for hardcoded AWS credentials, open SSH/database ports, public
Free developer tool from ReleaseRun.
Cron Expression Builder Build, parse, and test cron expressions visually with next execution preview
Free developer tool from ReleaseRun.
📋 Load an Example 1. Paste Conflicting Code Paste the entire file or section with git conflict marke
Free developer tool from ReleaseRun.
JWT Decoder & Inspector Decode, inspect, and validate JSON Web Tokens securely in your browser P
Nginx Config Generator Generate production-ready Nginx configuration files with SSL, security header
Free developer tool from ReleaseRun.
📋 Quick Templates 1. Metric Metric Name Common Metrics — pick one —http_requests_totalhttp_request_d
Free developer tool from ReleaseRun.
Regex Tester & Debugger Test, debug, and visualize regular expressions with real-time matching
Free developer tool from ReleaseRun.
SSL/TLS Configuration Generator Generate secure SSL/TLS configs for Nginx, Apache, Caddy, HAProxy, a
Free developer tool from ReleaseRun.
YAML ↔ JSON Converter Convert, validate, and format YAML and JSON with real-time preview Load Exampl
Build Linux file permissions visually. Click the bits or type an octal code, then copy the chmod command.
Check whether a package is up to date across npm, PyPI, crates.io, and RubyGems.
Translate SLA percentages into real downtime budgets for contracts, incidents, and on-call planning.
Compact single-product widget for docs, dashboards, internal portals, and READMEs. Shows support status, days to EOL, and live badges.
Executive-style stack summary for engineering dashboards. Shows weighted score, grade, support/risk/EOL counts, and a CTA back to ReleaseRun.
ReleaseRun tracks software releases across 50+ technologies including Node.js, Python, Go, Rust, Kubernetes, Docker, PostgreSQL, React, Terraform, and more. Each technology gets a dedicated hub page with lifecycle timelines, upgrade paths, risk scoring, and version comparisons.
Our 84 free tools are built for engineering teams who need to understand release risk before upgrading. Everything runs client-side, no signup required. We also offer a CLI tool (v1.4.0), a GitHub Action, and embeddable badges for your READMEs.
We track 1,029 individual version pages with EOL dates, support status, and security advisories across all technologies. Our grading methodology is fully transparent.