Showing 21–40 of 1,000 ranked alternatives.
Ecosia GmbH
And online
The web and support climate action by planting . Use the to browse the internet, earn money from ads, and allocate 100% of profits to fund tree planting in biodiversity hotspots. Track progress and learn about environmental impact.
Rob McQualter
Project letters to a large screen
A letter for visual acuity testing. Display optotypes like Sloan, Landolt C, and pictorial charts. Support multiple visual acuity formats including metric and imperial. Connect via AirPlay to TV or computer.
iNaturalist
Record biodiversity encounters and contribute science.
The app allows users to identify species and record their biodiversity encounters. Observations can be added to projects and shared to contribute to science and conservation efforts.
Charles T. Bargeron
Report invasive species in Florida
The app allows users to report invasive species observations in Florida. Reports are uploaded to EDDMapS and sent to verifiers for review.
Scholarific, LLC
Animal names and sounds
Teach animal names and sounds through matching games and repetition. Includes farm , house pets, and less common species like warthog. Features interactive learning with audio pronunciation and visual cues.
Alteryouth Limited
Award and track student progress
Enable bank-to-bank scholarship transfers for students in government primary schools. Monitor educational progress and maintain records. Support literacy by preventing school dropouts through financial assistance.
Raining Rock Studio SNC
Guess birds, listen to calls, reveal images
Guess birds and their characteristics in five attempts by listening to calls and viewing images. Input answers and receive feedback after each guess. Track progress and learn about bird conservation through play.
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