Posnic

Offline-first open-source POS and billing software for retail shops and restaurants, available for Windows, macOS and Linux.

Official websiteProduct information, guides and verified Posnic resources. Source codeReview, build and contribute to the AGPL-3.0 Posnic POS project. Latest releaseDesktop installers and checksums published through GitHub Releases. User guideSetup and workflow documentation for the current development line. Live demoExplore the hosted demonstration environment. CommunityAsk questions, share feedback and discuss the open-source POS. Deployment guideCompare Offline POS and Online/Offline POS setups for a real shop. Backup checklistBuild and test a recovery process for local or self-hosted POS data. Evaluation checklistAssess source, licensing, offline behavior, hardware, recovery, and maintenance before rollout. Hardware checklistTest printers, scanners, drawers, scales, displays, payments, and recovery before rollout.

Posnic Innovations Private Limited, India.