A London tech agency is offering voluntary sector organisations the chance to have a not-for-profit app built for free.
Studio Graphene's Build My App contest will select an entry with a simple, effective idea that brings about positive social change.
Last year's competition attracted more than 50 entries and was won by the communication charity Signalong for an app that enables people to take a photo of an object, then learn the sign language for it.
People and organisations, including charities, can enter, providing their idea has an impact for good.
Studio Graphene said in a statement that it "encourages applicants to think outside of the box by considering how existing technology can be used in new, fun or innovative ways to promote a function that will have a strong, positive and immediate impact on a pressing social issue".
Ritam Gandhi, founder and director of Studio Graphene, said: "We’re yet to see the full benefits that can be offered from tech in addressing social issues. Build My App aims to change all this."
Entries are now open and will close on 29 March. The winner will be announced on 5 April.
More information is available here.