django-timepiece

Easy Redmine is an open-source project management and time-tracking tool that extends Redmine, supporting Agile and Waterfall methodologies, risk/resource management, and integration with various platforms. It is suitable for teams seeking customizable and scalable time-tracking solutions.

Online project management software with resource planning, time tracking, ticketing, granular user access, availability and invoicing capabilities, helping startups and SMBs manage projects from kick-start to invoice.

API integrations enable time tracking software to connect with project management, accounting, and payroll platforms. This integration allows for seamless data flow and reduces administrative overhead, making time tracking more efficient and valuable for organizations.

An extension for Timewarrior that generates invoices in LaTeX format based on tracked time data.

dotProject is a web-based, multi-user project management application that includes time tracking functionalities, enabling teams to log hours spent on projects.

Ehour is an open source time tracking software that enables teams to log work hours, manage timesheets, and export productivity reports in multiple formats.