An integrated library system is an enterprise resource planning system for a library, used to track items owned, orders made, bills paid, and patrons who have borrowed.
- Evergreen – Highly-scalable software for libraries that helps library patrons find library materials, and helps libraries manage, catalog, and circulate those materials.
GPL-2.0
PL/pgSQL
- Koha – Enterprise-class ILS with modules for acquisitions, circulation, cataloging, label printing, offline circulation for when Internet access is not available, and much more.
GPL-3.0
Perl
- RERO ILS – Large-scale ILS that can be run as a service with consortial features, intended primarily for library networks. Includes most standard modules (circulation, acquisitions, cataloging,…) and a web-based public and professional interface.
AGPL-3.0
Python/Other

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Ashwani is passionate about DevOps, DevSecOps, SRE, MLOps, and AiOps, with a strong drive to simplify and scale modern IT operations. Through continuous learning and sharing, Ashwani helps organizations and engineers adopt best practices for automation, security, reliability, and AI-driven operations.
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