Opportunity Hack · since 2013
Free software for nonprofits, built by developers.
Each year, thousands of engineers, designers, and students team up to ship real tools that nonprofits actually use — at our hackathons and all year round.
3,000+Developers
200+Nonprofits
Since 201312 years
What's next
Upcoming events
Get involved
Two ways in
For developers & volunteers
Sharpen your craft on software that matters. Pick a project, join a team, and ship something a nonprofit will rely on for years.
For nonprofits
Have a problem technology could solve? Tell us about it. We'll match it with a team of builders — at no cost to your organization.
Stay in the loop
A little inbox inspiration
Occasional updates on upcoming events, project wins, and ways to help.
Made possible by
…and by individual donors who keep every project free for the nonprofits we serve.