Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Sourcegraph - Sourcegraph is a free, self-hosted code search and intelligence server that helps developers find, review, understand, and debug code. Use it with any Git code host for teams from 1 to 10,000+.
TaskPaper - Plain text to-do lists for Mac
Atlassian Fisheye - With FishEye you can search code, visualize and report on activity and find for commits, files, revisions, or teammates across SVN, Git, Mercurial, CVS and Perforce.
Microsoft To-Do - Task management tool
Krugle - Krugle is the complete enterprise solution for search targeted to the development organization.