Heriniaina Randrianasolo (Heriniaina)

Crafting digital products & exploring tech ventures. Founder @GRANIX. Passionate about scalable systems & building cool stuff.

Antananarivo, Antananarivo, Madagascar
Website
GitHub
Twitter
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CALL-E: Your Code Is Calling

Online

Turn your code into an AI agent that makes real phone calls.

$10,000 in prizes
Winners TBD
3202 participants

GNEC Hackathon 2025 Fall - Compete For UN-Affiliated/NGO Internships & Prizes

Online

Create projects benefiting UNSDGs for a chance to work along UN affiliated NGOs!

$700 in prizes
Winners announced
912 participants

Blackathon 2022

Online

Blackathon brings leaders in technology together from across the African diaspora to create emancipatory technologies for African descended people and their local communities.

$1,500 in prizes
Winners announced
31 participants

NanoString Spatial Omics Hackathon

Online

Help scientists accelerate spatial discoveries by building tools and visualizations for GeoMx® Digital Spatial Profiler data.

$25,000 in prizes
Winners announced
579 participants

Holiday Hacks

Online

Celebrate the season of holidays this weekend by hacking your favorite projects!

Non-monetary prizes
Winners announced
446 participants

The HERE Map Data Hackathon

Online

Join and start building solutions for the public, local communities and businesses using HERE Data Layers.

$8,500 in prizes
Winners announced
480 participants

2020 Facebook Developer Circles Community Challenge

Online

Create innovative and immersive tutorials that help fellow developers build with Facebook technologies

$133,000 in prizes
Winners announced
2360 participants

Hack the Innovation

Online

Empowering Students to create solutions for being connected

Non-monetary prizes
Winners announced
51 participants