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Open source Websites
29 curated open source sites, hand-picked by real people. Open source means the code behind your tools is open for anyone to read, modify, and share. It draws people who value transparency and collaboration. Mapillary invites you to map the world with street-level photos, and Mixxx puts a full DJ rig in your browser for free..
Discover open source sites
All open source sites
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MapComplete: Public Toilets
mapcomplete.orgThis interactive map helps users locate, edit, and add public toilet facilities globally using OpenStreetMap data. It provides specific d...
Reference & Toolsinteractivemaps - M
MuseScore: Free Music Composition and Notation Software
musescore.orgMuseScore Studio is an open-source music notation platform for creating, playing back, and printing professional-grade sheet music. It su...
Software & Webforumpiano - M
The Mutopia Project
mutopiaproject.orgThe Mutopia Project provides a volunteer-run library of over 2,100 pieces of free sheet music in the public domain. Users can download, p...
Software & Webclassical musiccreative commons - M
Mixxx - Free DJ Mixing Software App
mixxx.orgMixxx is a free, open-source DJ software suite that enables live mixing with digital music files. It features BPM and key detection, MIDI...
Software & Webprofessionalaudio mixing - M
Mapillary: Street-level Imagery and Map Data Platform
mapillary.comMapillary is a collaborative platform that hosts crowdsourced, street-level imagery from around the world. Users contribute photos from a...
Reference & Toolsinteractiveprofessional - Z
Zotero | Your personal research assistant
zotero.orgZotero is an open-source research assistant that helps users collect, organize, and annotate bibliographic data. It automatically senses...
Reference & Toolsappresearch - T
Tatoeba: Collection of sentences and translations
tatoeba.orgTatoeba provides a massive, collaborative database of sentences and their translations across hundreds of languages. Users can search for...
Reference & Toolslanguage learningwiki - S
StoryMapJS
storymap.knightlab.comStoryMapJS is a free authoring tool that enables users to build interactive narratives based on geographic locations. It allows for the i...
Reference & Toolsinteractiveprofessional - S
Saylor Academy
saylor.orgSaylor University provides over 150 free, self-paced online courses designed for college credit and professional advancement. Students ca...
Software & Webbusiness administrationhigher education - Q
QGIS: Free and Open Source Geographic Information System
qgis.orgQGIS is a professional open-source geographic information system that enables users to create, edit, and analyze geospatial data. It feat...
Reference & Toolsprofessionalmaps