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Bugsink

Real-time error tracking for your applications with all the details in one place. Easy setup with clear instructions included.

On-Premise help desk software that includes email, chat, voice & help centre publishing. Full visible source code and API.

Simple, easy to use help desk & knowledge base software. Custom branding, custom themes, restful API, communication channels, multi-company support, multi-language support, and much more! At least 1 new release per month.

Professional and extensible issue tracker.

Help desk software - simple but powerful.

Powerful help desk software - easy, fast and intuitive.

Lightweight error tracker without a subscription (alternative to Sentry).

Customer service platform with ticketing, live chat, help center and AI agents.

BugPin

Self-hosted, visual bug reporting tool

Bugzilla

General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.

Erxes

Marketing, sales, and customer service platform designed to help businesses attract more engaged customers.

Frappe Helpdesk

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.

FreeScout

Email-based customer support application, help desk and shared mailbox (alternative to Zendesk and Help Scout).

ITFlow

Client IT documentation, ticketing, invoicing and accounting for MSPs (Managed Service Providers).

Libredesk

Open-source, self-hosted customer support desk in a single binary. A lightweight alternative to Intercom, Zendesk, Chatwoot.

MantisBT

Bug tracker, fits best for software development.

OTOBO

Flexible web-based ticketing system used for customer service, help desk, IT service management.

Request Tracker

An enterprise-grade issue tracking system.

A 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.

Rustrak

Ultra-lightweight error tracking server compatible with Sentry SDKs

Zammad

Easy to use but powerful open-source support and ticketing system.

Trudesk is an open-source help desk/ticketing solution.