Tokyo.pm

Tokyo.pm
Name	Tokyo.pm
Established	1996
Location	Tokyo, Japan
Focus	Perl programming, open source software, developer community

Tokyo.pm Tokyo.pm is a long-standing Perl user group based in Tokyo, Japan, founded in the mid-1990s to foster community around the Perl programming language and related free software. The group has functioned as a hub for developers, system administrators, researchers, and educators, connecting local practitioners with international projects, conferences, and tooling ecosystems. Through meetups, workshops, and online resources, the organization has influenced Japanese participation in global initiatives such as CPAN, Open Source Initiative collaborations, and regional technology conferences.

History

Tokyo.pm began in the era when the Perl language was rising in popularity, contemporaneous with events like YAPC::NA and projects such as CPAN. Early meetings drew participants involved with platforms like Sendmail, Apache HTTP Server, Perl Compatible Regular Expressions, and early Linux distributions. The group’s formation paralleled the growth of organizations including the Open Source Initiative, Free Software Foundation, and regional communities like Osaka.pm and Kyoto.pm. Over time, Tokyo.pm engaged with national and international organizations such as IPA (Information-technology Promotion Agency, Japan), university labs affiliated with University of Tokyo, and corporate engineering teams from companies including NTT, NEC, and Fujitsu. The group adapted through multiple waves of language evolution (Perl 5 releases, Perl 6 / Raku) and intersected with events like YAPC::Asia and technology trends involving Unicode handling, CPAN Testers, and cloud platforms such as Amazon Web Services.

Organization and Activities

Tokyo.pm operates as a volunteer-run user group with an informal steering committee composed of developers, engineers, and academic contributors. Organizational activity often coordinated with institutions such as JST research centers, community venues like Hackerspaces in Tokyo, and corporate sponsorship from firms like Google Japan and Rakuten. Regular activities include technical talks on modules listed on CPAN, code sprints similar to those at DebConf and PyCon, and interoperability sessions addressing tools including Git, Docker, SQLite, and PostgreSQL. The group collaborates with educational entities such as Waseda University and Keio University for workshops, while also interfacing with standards bodies and projects like IETF and Unicode Consortium when discussing text processing and internationalization.

Events and Conferences

Tokyo.pm has hosted and participated in numerous events, collaborating with conferences like YAPC::Asia, Perl Workshop, and city-level tech gatherings such as JAWAWORKS style meetups and regional hack days. Members frequently present at international gatherings including FOSDEM, OSC (Open Source Conference), and topic-specific conferences such as Database Summit and CloudNativeCon. The group’s events have featured talks on modules and tools associated with DBI, Mojolicious, Dancer, Catalyst (Perl) and ecosystem integrations with JSON, YAML, XML, and web frameworks. Tokyo.pm events have also been held in conjunction with community efforts like Google Summer of Code mentoring sessions and cooperative panels with language communities such as RubyKaigi and PyCon JP.

Projects and Contributions

Members of Tokyo.pm have contributed extensively to CPAN distributions and infrastructure, producing modules that interface with projects like OpenSSL, ImageMagick, Net::SSLeay, and frameworks integrating SQLite3 and PostgreSQL. The community has run code sprints contributing to CPAN Testers, porting libraries to new platforms including FreeBSD, NetBSD, and modern Linux flavors. Contributions have extended to localization efforts for projects such as Perl documentation translations, interoperability with Unicode Consortium standards, and tooling around package managers like CPANPLUS and App::cpanminus. The group has also supported open datasets and reproducible research initiatives linked to institutions like RIKEN and academic projects in bioinformatics involving modules for BioPerl.

Membership and Community

Membership comprises professionals from tech companies, independent consultants, students from institutions like Tokyo Institute of Technology, and hobbyists. The community communicates via mailing lists, web forums, and chat platforms influenced by services such as IRC, Matrix, and Slack. Collaborations extend to adjacent language and platform communities including Perl Mongers chapters worldwide, and local user groups such as Nagoya.pm and Fukuoka.pm. The group emphasizes mentorship, peer review of CPAN uploads, and cooperative problem-solving for issues involving SMTP, LDAP, SSH, and security practices illustrated by involvement with OWASP discussions.

Notable Members and Alumni

Over the years, Tokyo.pm has included contributors and speakers who have participated in major projects and institutions such as Larry Wall-adjacent developers, CPAN authors, and engineers employed at firms like Sony, Panasonic, LINE Corporation, and Mercari. Alumni have gone on to present at events such as YAPC::Europe, Perl Conference, and Open Source Summit, and to contribute to projects and organizations including Perl 5 core, Raku (programming language), CPAN Testers, and academic research centers like The University of Tokyo, Department of Computer Science. The group’s network has also bridged to broader technology leaders associated with GitHub, GitLab, and international open source initiatives.

Category:Perl user groups Category:Computer-related organizations in Japan