Most of the contributors are mentioned at Github as Members or Contributors.
Here is an overview:
- AnahitaS, docs for Android, Android, Tomcat
- andreaswolf, flag encoder versioning and more
- andreylh, polygon for blocked area #1306
- Anvoker, fixes like #1614 and helped with JUnit 5 migration #1632
- agouge, discussion and API refactoring
- b3nn0, Android improvements
- baumboi, path detail and landmark improvements
- boldtrn, one of the core developers with motorcycle knowledge :)
- cgarreau, increase of routing success rate via subnetwork cleanup
- chollemans, fixes like #1482
- ChristianSeitzer, motorcycle improvements
- ChristophKaser, agrees to the project's CLA, improved Android compatibility #1207
- chucre, add special JSON output format, see #41
- daisy1754, fixed usage of graphhopper.sh script
- dardin88, instructions improved
- dewos, web API bug fixes
- devemux86, improvements regarding Android, GPX and more
- dos65, bug fixes in routing algo
- drnextgis, ru translation and JS fixes
- duongnt, fixes in storage
- easbar, one of the core developers
- edy, improvements regarding docker #849
- elibar, fix for alternative route calculation
- fbonzon, several UI improvements like #615
- florent-morel, improvements regarding fords, #320
- fredao, translations
- gberaudo, improvements regarding elevation
- GProbo, fixes like #2241
- HarelM, improvements regarding elevation
- HelgeKrueger, modularization of javascript, #590
- henningvs, doc improvements
- highsource, more efficient geometry update, UI fixes
- hoofstephan, bug fix
- IsNull, improvements like #708
- Janekdererste, GUI for public transit
- jansoe, many improvements regarding A* algorithm, forcing direction, roundabouts etc
- jansonhanson, general host config
- joe-akeem, improvements like #2158
- JohannesPelzer, improved GPX information and various other things
- karussell, one of the core developers
- khuebner, initial turn costs support
- kodonnell, adding support for CH and other algorithms (#60) and penalizing inner-link U-turns (#88)
- legraina, improved docker for dockerhub
- lmar, improved instructions
- matkoniecz, tweaking documentation
- manueltimita, fixes like #1651
- mathstpierre, fixes like #1753
- michalmac, fixes like #1467
- michaz, one of the core developers
- mprins, improvements for travis CI and regarding JDK9 #806
- msbarry, fixes like #1733
- naser13, fixes like #1923
- njanakiev, fixes like #1560
- NopMap, massive improvements regarding OSM, parsing and encoding, route relations
- ocampana, initial implementation for instructions
- oflebbe, work on iOS port and issues like #2060
- oschlueter, fixes like #1185
- otbutz, added multiple EncodedValues
- PGWelch, shapefile reader #874
- rajanski, script to do routing via PostGIS
- ratrun, route relations, GPX information, bike handling etc
- rodneyodonnell, improved dead end removal (PrepareRoutingSubnetworks) and fords
- rodo, more descriptions
- rory, support milisecond gpx timestamps, see #4
- seeebiii, motorcycle improvements
- sguill, fixes like #1683
- skienzl, imperial units for /navigate, related to #2071
- stefanholder, Stefan Holder, BMW AG, creating and integrating the hmm-lib (#49, #66, #69) and penalizing inner-link U-turns (#88, #91), refactored unfavoring of virtual edges #885
- stevensnoeijen, fixes like #1568
- Svantulden, improved documentation and nearest API
- taulinger, hopefully more to come
- thehereward, code cleanups like #620
- vvikas, ideas for many to many improvements and #616
- zstadler, multiple fixes and car4wd
- samruston, improved point hint matching
- shunfan-shao, fix potential flaky tests
A lot people helped to create translations - thanks! See this spreadsheet