Free Tools — No Sign-Up Required

Free Developer Intelligence Tools

Explore repo intent, weekly GitHub trends, ecosystem context, and developer signals instantly. No sign-up required for the free tools; use LeadCognition when you want the people and companies behind the signals.

No account required Uses GitHub public API Always free

GitHub Email Finder

Free • Instant results

Enter any GitHub username to instantly see their public profile, contact info, company, and location. If they've made their email public, we'll show it.

  • Public email, name, company, location
  • GitHub profile stats (repos, followers)
  • CTA to get verified work email via LC
60 lookups/hr (GitHub API limit) Try it →

Developer Signal Score

Free • Instant calculation

Calculate a 0–100 signal score for any GitHub user based on 8 activity factors. See at a glance how active, influential, and reachable a developer is.

  • 8-factor score (repos, followers, activity...)
  • Animated circular progress ring
  • Elite / High / Mid / Low signal tiers
Useful for SDRs & recruiters Try it →

Company Tech Stack Lookup

Free • GitHub org data

Enter any GitHub organization name to explore their public repositories, top projects by stars, and programming language breakdown — perfect for sales research.

  • Top 10 repos by stars + forks
  • Language breakdown with color bars
  • Org overview (size, description, members)
Great for pre-call research Try it →

Repo vs Repo Comparison

Free · GitHub Archive data

Side-by-side intent score comparison for any two GitHub repos. See which framework, library, or tool is gaining more developer traction right now.

  • 0–100 intent score for each repo
  • 12-week trendline + top evaluators
  • 20+ pre-seeded comparisons (nextjs vs remix, etc.)
Real data, not vanity stars Compare →

Repo Intent Score

Free · GitHub Archive data

Paste any GitHub repo and get a 0–100 score based on real evaluator activity over the last 30 days. See if a project is being actively explored, not just passively starred.

  • Weighted score from pushes, PRs, issues, forks, and stars
  • Top evaluators and companies when available
  • Built for product marketing, ecosystem, and sales teams
Answer “is this repo hot right now?” Score it →

GitHub Intent Trends

Free · Weekly leaderboard

A weekly top-100 leaderboard of the most actively evaluated repos on GitHub, plus language-specific pages for Rust, Python, TypeScript, Go, Java, and more.

  • Updated every Monday from GitHub Archive
  • Normalized intent score instead of vanity stars
  • Great for ecosystem positioning and outreach timing
See what’s moving this week View trends →

Ecosystem Snapshot

Free · AI + GitHub context

Paste a company domain and get an instant ecosystem brief: product category, ICPs, use cases, themes, and the GitHub repos shaping that company’s developer landscape.

  • Instant category, ICP, and use-case framing
  • Top ecosystem repos around the company’s space
  • Useful for account research, positioning, and outbound prep
Turn a domain into ecosystem context Scan a company →

Want More Than the Free Tools?

These tools blend GitHub public API lookups, GitHub Archive trend data, and lightweight AI summaries. LeadCognition goes further: continuous monitoring, verified work emails, richer buyer-signal scoring, and daily prospecting workflows for DevTool teams.

Related Reading

GitHub Activity as a Buying Signal

The 8 GitHub signals ranked by buying probability.

Read →

The Complete Guide to Developer Signal Intelligence

Everything you need to know about DSI.

Read →

From GitHub Stars to Sales Pipeline

A step-by-step process for turning stargazers into qualified leads.

Read →

Language Leaderboards

Top GitHub repos by intent score, filtered by language. Updated every Monday.

Rust Python TypeScript JavaScript Go Java Ruby C++ C# Swift Kotlin PHP