Find 16,000+ DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) Leads on GitHub

GitLeads monitors GitHub stars, forks, issues, and keyword signals to surface DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) leads who are actively building — right when they're most likely to buy your developer tool. Turn GitHub activity into pipeline.

Find DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) Leads Free →View Pricing
16,000+
DuckDB Ext Dev Leads indexed
14
GitHub signals tracked
73%
Avg email find rate
500+
New leads per day

Sample DuckDB Ext Dev Leads — Live from GitHub

Emails partially redacted. Sign up free to reveal contact details and start outreach.

DeveloperGitHub StarsReposLocationEmail
Alex Chen
@alexchen
Open source enthusiast. Building developer tools.
2,84034San Francisco, CAa***@gmail.comReveal →
Sarah K.
@sarahk_dev
Full-stack dev. Loves OSS and clean APIs.
1,19021Berlin, Germanys***@proton.meReveal →
Marcus T.
@marcust
Maintainer of several popular libraries.
3,47058Toronto, Canadam***@outlook.comReveal →
Priya R.
@priyaR
Engineer at a Series B SaaS startup.
89016Bangalore, Indiap***@gmail.comReveal →
Jordan M.
@jmdev
DevRel engineer. Writes about DX and tooling.
4,12047Austin, TXj***@hey.comReveal →
Unlock All 16,000+ DuckDB Ext Dev Leads — Free

How GitLeads Finds DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) Leads on GitHub

STEP 01

GitHub Signal Detection

We continuously index GitHub repositories tagged with DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers)-related topics. Stars, forks, new issues, and README keywords all fire signals.

STEP 02

Developer Profiling

Each developer's activity is scored by recency, influence (stars earned), and project relevance. You get leads ranked by likelihood to engage.

STEP 03

Contact Enrichment

We cross-reference public commit metadata, README contact sections, and linked social profiles to find verified email addresses.

STEP 04

Pipeline & CRM Export

Export leads to CSV, push to HubSpot, Salesforce, or Pipedrive, or use our REST API. Every lead includes GitHub context so your outreach is warm from the start.

Who Uses GitLeads for DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) GitHub Leads?

FAQ: GitHub Leads for DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers)

How many DuckDB Ext Dev Leads are on GitHub?

Our index currently tracks over 16,000 DuckDB Ext Dev Leads with verifiable activity in the last 90 days. GitHub hosts millions of developers; GitLeads filters to the ones who are actively building and most likely to be reachable.

How does GitLeads find DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) developer emails?

We extract emails from public commit metadata, README files, GitHub profiles, and linked social accounts. All data is publicly available and GDPR-compliant for B2B outreach under legitimate interest.

Can I filter DuckDB Ext Dev Leads by location, stars, or company?

Yes. GitLeads supports filtering by location (city, country), star count, follower count, company/org affiliation, repository topics, and activity recency. Build hyper-targeted lists in minutes.

How often is the DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) developer list updated?

Our GitHub crawler runs continuously. New developers who star or fork a DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) repository are added to your pipeline within 24 hours.

Start Finding DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) Leads on GitHub Today

50 free leads every month. No credit card required. Export to CSV or push directly to your CRM.

Get 50 Free DuckDB Extension Author Developer Leads (DuckDB Extension LoadExtension RegisterFunction ScalarFunction TableFunction authors, DuckDB duckdb_extension_version duckdb_extension_init C API engineers, DuckDB community extensions CMakeLists.txt vcpkg DuckDB CI contributors, DuckDB Python extension pybind11 duckdb.DuckDBPyConnection developers, DuckDB WASM extension emscripten DuckDB-Wasm platform authors, DuckDB catalog DatabaseInstance ClientContext extension state engineers) Leads →

Explore More

GitLeads HomePricing PlansAll GitHub Lead Niches