A free, open-source billing and client management system for invoicing, payments and client communication, popular with web hosting providers.
#doctrine
Best open-source PHP web apps and tools (2026)
These PHP projects cover content sites, time tracking, billing and admin panels. Grav is a flat-file CMS with no database, a fit for sites that would otherwise run WordPress, while Kimai is a self-hosted time tracker that replaces Toggl Track and Clockify and is AGPL-3.0, so network-hosted changes must be shared. EasyAdmin and DoctrineMigrationsBundle suit Symfony projects using Doctrine, generating CRUD admin panels and versioning schema changes.
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An admin panel generator for Symfony applications that builds CRUD backends from Doctrine entities with little or no CSS or JavaScript.
Symfony bundle that integrates the Doctrine Migrations library, letting Symfony apps version and apply database schema changes.
A flat-file CMS written in PHP that stores pages as Markdown files, with no database required.
Open-source, self-hosted time-tracking web app for timesheets, invoicing and reports, used by freelancers and companies.