Software

Helpdesk software which helps you streamline your company's support, offers an easy setup, clean user interface, and automation tools to resolve customer queries efficiently. ([Source Code](https://github.com/frappe/helpdesk))

Email-based customer support application, help desk and shared mailbox (alternative to Zendesk and Help Scout). ([Demo](https://demo.freescout.net/login), [Source Code](https://github.com/freescout-help-desk/freescout))

Error tracking app to collect errors reported by your app. ([Source Code](https://gitlab.com/glitchtip/glitchtip))

Client IT documentation, ticketing, invoicing and accounting for MSPs (Managed Service Providers). ([Demo](https://demo.itflow.org), [Source Code](https://github.com/itflow-org/itflow))

Modern omnichannel customer support desk. Live chat, email, and more in a single binary. ([Demo](https://demo.libredesk.io), [Source Code](https://github.com/abhinavxd/libredesk))

Bug tracker, fits best for software development. ([Demo](https://www.mantisbt.org/bugs/my_view_page.php), [Source Code](https://github.com/mantisbt/mantisbt))

Flexible web-based ticketing system used for customer service, help desk, IT service management. ([Demo](https://otobo.io/en/service-management-plattform/otobo-demo/), [Source Code](https://github.com/RotherOSS/otobo))

Enterprise-grade issue tracking system. ([Source Code](https://github.com/bestpractical/rt))

Simple-to-use and -install issue tracking system with command-line, web, REST, XML-RPC, and e-mail interfaces. Designed with flexibility in mind - not just another bug tracker. ([Source Code](https://www.roundup-tracker.org/code.html))

Easy to use but powerful open-source support and ticketing system. ([Source Code](https://github.com/zammad/zammad))

Automatically track how you spend time on your devices. ([Source Code](https://github.com/ActivityWatch/activitywatch))

Open business management platform for collaborative, on-demand and sharing economies (ERP/CRM/HRM/ATS/PM). ([Demo](https://demo.gauzy.co), [Source Code](https://github.com/ever-co/ever-gauzy))

Track work time and print out a summary of your activities on demand. ([Demo](https://www.kimai.org/demo/), [Source Code](https://github.com/kimai/kimai))

Modern time tracking application for freelancers and agencies. ([Source Code](https://github.com/solidtime-io/solidtime))

An open source time-tracker based on an interactive timeline and powerful reporting. ([Demo](https://timetagger.app/app/demo), [Source Code](https://github.com/almarklein/timetagger))

Traggo is a tag-based time tracking tool. In Traggo there are no tasks, only tagged time spans. ([Source Code](https://github.com/traggo/server))

Tracking tool for coding statistics, compatible with WakaTime. ([Source Code](https://github.com/muety/wakapi))

The Swiss army knife of code time tracking (alternative to WakaTime). ([Source Code](https://github.com/0pandadev/ziit))

A super-minimal link shortening service written in pure C, focusing on small executable size, portability, and ease of configuration. ([Demo](https://short.crueter.xyz))

Create QR Codes, embeddable link previews for your website and crawls/scrapes metadata. ([Demo](https://flink.is))

Modern URL shortener with support for custom domains and custom URLs. ([Demo](https://kutt.to), [Source Code](https://github.com/thedevs-network/kutt))

Lightweight link shortener written in Rust, with features such as caching, spambot protection and phishing detection. ([Demo](https://s.42l.fr/))

URL shortener with REST API and command line interface. Includes official progressive web application and docker images. ([Source Code](https://github.com/shlinkio/shlink), [Clients](https://shlink.io/apps))

YOURLS is a set of PHP scripts that will allow you to run Your Own URL Shortener. Features include password protection, URL customization, bookmarklets, statistics, API, plugins, jsonp. ([Source Code](https://github.com/YOURLS/YOURLS))