What are some alternatives?
When comparing BUGtrack and Twproject, you can also consider the following products
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
Pivotal Tracker - Pivotal Tracker: The awesome, lightweight, agile project management tool for software teams. Get your 30-day Free Trial started today!
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Zoho BugTracker - Zoho Bug Tracker is an online web based bug tracking / issue management software tool
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses
ReQtest - ReQtest is an end to end solution for test management, bug tracking, requirement management and agile project management.