Now open for any Europe based library, library software developers, or librarians.
Niedersächsische Staats- und Universitätsbibliothek Göttingen (SUB Göttingen, SUBUGOE) https://github.com/subugoe
Gemeinsamer Bibliotheksverbund (GBV Göttingen) https://github.com/gbv
KU Leuven Libraries KULeuvenDigitalisering https://github.com/KULeuvenDigitalisering
Gemeinsamer Verbünde Index (GVI) https://github.com/gemeinsamerverbuendeindex
Hochschulbibliothekszentrum des Landes Nordrhein-Westfalen (hbz Köln) https://github.com/hbz
Deutsche Digitale Bibliothek https://github.com/Deutsche-Digitale-Bibliothek
Deutsche Nationalbibliothek https://github.com/deutsche-nationalbibliothek
The British Library https://github.com/britishlibrary
British Library Labs Project https://github.com/BL-Labs
Bibliothek der Hochschule für Musik FRANZ LISZT Weimar https://github.com/HfMWeimar
Bibliothek der Universität Duisburg-Essen https://github.com/unibib-duisburg-essen
Bibliotheksservice-Zentrum Baden-Württemberg (BSZ, Konstanz) https://github.com/BSZBW
SLUB Saxon State and University Library Dresden https://github.com/slub
Freie Universität Berlin, Open Encyclopedia System des Center für Digitale Systeme an der Universitätsbibliothek https://github.com/open-encyclopedia-system
Bibliothek der Hochschule Hannover https://github.com/HsH-Bibliothek https://github.com/hsh-bib
University Library of Humboldt-Universität zu Berlin https://github.com/UB-HU-Berlin
Libreas https://github.com/libreas
MPI Collective Goods Library Bonn https://github.com/bibliocoll
Universitätsbibliothek Mannheim https://github.com/UB-Mannheim
Universitätsbibliothek Leipzig https://github.com/ubleipzig
Universitätsbibliothek Technische Universität Berlin https://github.com/tuub
Zeitschriftendatenbank (ZDB) https://github.com/Zeitschriftendatenbank
DINI AG KIM https://github.com/dini-ag-kim
swissbib (Swiss Library Catalogue) https://github.com/swissbib
project linked-swissbib https://github.com/linked-swissbib
Universitätsbibliothek Paderborn https://github.com/ubpb
BVB-KOBV-ALLIANZ https://github.com/bvb-kobv-allianz
Universitätsbibliothek Tübingen https://github.com/ubtue
University Library Heidelberg https://github.com/UB-Heidelberg
Universitätsbibliothek Dortmund https://github.com/UB-Dortmund
University Library Bochum https://github.com/ubbochum
Deutsche Zentralbibliothek für Medizin (ZB MED) https://github.com/zbmed
UB Ilmenau https://github.com/ubilmenau
project finc (Cataloguing and Indexing software development at Leipzig University Library) https://github.com/finc
Max Planck Digital Library - MPDL https://github.com/MPDL
Universitätsbibliothek der TU Hamburg https://github.com/tubhh
Staats- und Universitätsbibliothek Bremen https://github.com/suub
Staatsbibliothek zu Berlin https://github.com/StaatsbibliothekBerlin
ZBW - Leibniz Information Centre for Economics https://github.com/zbw
Münchener DigitalisierungsZentrum (MDZ) https://github.com/dbmdz
National Library of the Netherlands / Research https://github.com/KBNLresearch
National Library of Finland https://github.com/NatLibFi
National Library of Luxembourg https://github.com/natliblux
AK Bibliothek Wien für Sozialwissenschaften https://github.com/AKBibliothekWien
Digital Development Team at Oslo Public Library https://github.com/digibib
NTNU University Library (Norway) https://github.com/NTNUUB
University of Oslo Library (Norway) https://github.com/scriptotek
University of Bergen Library (Norway) https://github.com/ubbdst
BI Norwegian Business School Library (Norway) https://github.com/bisentralen
University of Tartu Library https://github.com/University-of-Tartu-Library
Staats- und Universitätsbibliothek Hamburg https://github.com/subhh
Bern University Library https://github.com/ub-unibe-ch
Technischen Universität Wien Bibliothek https://github.com/TUWBIB https://gitlab.com/tuub
FID Jüdische Studien https://github.com/FID-Judaica
Fachinformationsdienst Darstellende Kunst https://github.com/FID-Darstellende-Kunst
Technische Informationsbibliothek (TIB), Hannover https://github.com/TIBHannover
Zentrale Hochschulbibliothek Lübeck https://github.com/ZentraleHochschulbibliothekHL
Universitätsbibliothek Bamberg https://github.com/uniba-ub
National Library of Sweden https://github.com/Kungbib/ https://github.com/Libris/
Universitätsbibliothek Erlangen-Nürnberg https://github.com/UBEN-Webteam
Universitätsbibliothek der LMU München https://github.com/ub-lmu
Medizinische Bibliothek der Charité – Universitätsmedizin Berlin https://github.com/medbib-charite
Austrian National Library - Department Research and Development https://github.com/ONB-RD
Universitäts- und Landesbibliothek Sachsen-Anhalt https://github.com/ulb-sachsen-anhalt
EPrints User Group https://github.com/eprintsug
Universitätsbibliothek Basel https://github.com/UB-UNIBAS
Universitäts- und Landesbibliothek Münster https://github.com/ulbmuenster
Informationspraxis https://github.com/Informationspraxis
Universitätsbibliothek der Otto-von-Guericke-Universität Magdeburg https://github.com/ovgu-ubit
Kooperativer Bibliotheksverbund Berlin-Brandenburg (KOBV) https://github.com/opus4 https://github.com/oa-deepgreen
ETH Library Lab, Zürich CH https://github.com/eth-library-lab
Zurich University Library of Applied Sciences (ZHAW), Zürich CH https://github.com/zhaw-hsb
Universitätsbibliothek Regensburg https://github.com/ub-regensburg
Hans-Dieter Klingemann Library at the Berlin International University of Applied Sciences https://github.com/BI-Library
Universitätsbibliothek Osnabrück https://github.com/Universitaetsbibliothek-Osnabrueck
Zentral- und Hochschulbibliothek Luzern (ZHB Luzern) https://github.com/zhbluzern, https://gitlab.com/zhbluzern
Universitätsbibliothek Marburg https://github.com/ub-unimr
Lib4RI. Library for the Research Institutes within the ETH Domain: Eawag, Empa, PSI & WSL https://github.com/Lib4RI
Bibliothek der Universität St.Gallen (HSG) https://github.com/HSG-Library
Hochschulbibliothek Technische Hochschule Wildau https://github.com/BibliothekTHWildau
Konstantin Baierer (SBB Berlin) https://github.com/kba
Johannes Baiter (MDZ) https://github.com/jbaiter
Hans-Georg Becker (UB Dortmund) https://github.com/hagbeck
Pascal-Nicolas Becker (TU Berlin) https://github.com/pnbecker
Daniel Beucke (SUB Göttingen) https://github.com/dbeucke
Alexander Bigga (SLUB Dresden) https://github.com/albig
Marcus Bitzl (MDZ) https://github.com/bitzl
Christoph Broschinski (UB Bielefeld) https://github.com/cbroschinski
Andreas Bohne-Lang (Library of Medical Faculty Mannheim) https://github.com/bohnelang
Martin Brändle (Universität Zürich, HBZ/Zentrale Informatik) https://github.com/mpbraendle
Hendrik Bunke (TIB) https://github.com/hbunke
Pascal Christoph (hbz) https://github.com/dr0i
Ralf Claussnitzer (SLUB Dresden) https://github.com/claussni
Martin Czygan (UB Leipzig) https://github.com/miku
Paul Dodd (UB Bern) https://github.com/pscdodd
Ralf Eichinger (MDZ) https://github.com/datazuul
Christian Erlinger https://github.com/LibrErli, https://gitlab.com/LibrErli1
Jonas Furrer (HSG) https://github.com/d22
Fabian Fürste (TU Berlin) https://github.com/johlton
Henning Gerhardt (SLUB Dresden) https://github.com/henning-gerhardt
Steffi Grimm (FU Berlin) https://github.com/estfee
André Hagenbruch (UB Bochum) https://github.com/ahagenbruch
Christian Hauschke https://github.com/hauschke
Lambert Heller https://github.com/lambo
Felix Hemme https://github.com/hemmefelix
Elisa Herrmann (HAB Wolfenbüttel) https://github.com/ehrmn
Moritz Horn https://github.com/hornmo
Najko Jahn (UB Bielefeld) https://github.com/njahn82
Nobutake Kamiya (Universität Zürich, Bibliothek des Asien-Orient-Instituts) https://github.com/NbtKmy
Jan Kamlah (UB Mannheim) https://github.com/JKamlah
Timotheus Chang-whae Kim (UB Tübingen) https://github.com/socheres
Till Kinstler (Verbundzentrale des GBV) https://github.com/tillk
Carsten Klee (ZDB) https://github.com/cKlee
Axel Klinger (TIB) https://github.com/axel-klinger
Christian Kurrat (ZB MED) https://github.com/ckurrat
Matthias Lindinger (MDZ) https://github.com/morpheus-87
Felix Lohmeier https://github.com/felixlohmeier
Christoph Lorenz (MDZ) https://github.com/clorenz
Jan Frederik Maas (SUB Hamburg) https://github.com/jfmaas
Robertson McIlwain (Berlin International) https://github.com/r-mcilwain
Martin Malmsten (National Library of Sweden) https://github.com/marma/
Henning Manske https://github.com/hma
Beat Mattmann (Universitätsbibliothek Basel) https://github.com/bemattmann
David Maus (SUB Hamburg) https://github.com/dmj
Sebastian Meyer (SLUB Dresden) https://github.com/sebastian-meyer
Jens Mittelbach (SLUB Dresden) https://github.com/jmiba
Joachim Neubert (ZBW) https://github.com/jneubert
Clemens Neudecker (SBB Berlin) https://github.com/cneud
Mario Trojan (UB Tübingen) https://github.com/mtrojan-ub
Vitali Peil (UB Bielefeld) https://github.com/vpeil
Doris Peter (MDZ) https://github.com/DorisPeter
Sebastian Peters (TIB Hannover) https://github.com/koelnconcert
Christian Pietsch (UB Bielefeld) https://github.com/pietsch
Adrian Pohl (hbz) https://github.com/acka47
Jörg Prante https://github.com/jprante
Uwe Reh (HeBIS) https://github.com/Hirnfiedler
Johann Rolschewski (ZDB) https://github.com/jorol
Stephan Rosenke (ULB Darmstadt) https://github.com/rosenke
Jan Schnasse (hbz) https://github.com/jschnasse
Michael Sievers (UB Paderborn) https://github.com/msievers
Diego Siqueira (ULB Münster) https://github.com/diegosiqueir4
René Sprotte (UB Paderborn) https://github.com/renspr
Fabian Steeg (hbz) https://github.com/fsteeg
Sascha Szott (formerly at KOBV-Zentrale, now freelancing) https://github.com/saschaszott
Marco Tullney (TIB/UB Hannover) https://github.com/tullney
Benito van der Zander (VideLibri) https://github.com/benibela
Michaela Voigt (TU Berlin) https://github.com/michaelavoigt
Jakob Voss (Verbundzentrale des GBV) https://github.com/nichtich
Katharina Wäschle (UB Heidelberg) https://github.com/kadowa
Stefan Weil (UB Mannheim) https://github.com/stweil, https://gitlab.com/stweil
Nils Windisch (SUB Göttingen) https://github.com/nilswindisch
Dulip Withanage (UB Heidelberg) https://github.com/withanage
Nils Witt (ZBW) https://github.com/n-witt
Torsten Witt (SUBHH) https://github.com/percolatorWitt
Jens Witzel (Universität Zürich, Zentrale Informatik) https://github.com/jenswitzel
Kay-Michael Würzner (SLUB Dresden) https://github.com/wrznr
Leo Zachl (TUWBIB) https://github.com/leozachl
David Zellhöfer (SBB Berlin) https://github.com/elektrobohemian
Philipp Zumstein (UB Mannheim) https://github.com/zuphilip