Here is a list of the best resources for game designers and indie developers. Some of these are not necessary, some may require an investment, some will make a world of a difference to your growth. Check out the list of tools that range from team collaboration, to marketing tools that will help you to make your work easier and more productive.

Organize you & your team

Trello - Team management and project planning

MeisterTask - Trello like team management and project planning

Wrike - Project management software

Asana - Project management tool for small teams

JIRA Agile - Project management

Pivotal Tracker - Per Project management, has a task point system and completion velocity tracking. Free for one user

Wiggio - A free online group collaboration program

BaseCamp - Project management and file sharing tool

Google Hangout - To discuss designs with a distributed team

IceScrum - Free and open source agile development tool for teams

Target Process - Web based Scrum/Kanban tool, free up to 5 users

Evernote - is great to easily write your game idea, code idea .. everything!

Wanderlust - is to-do list app that helps you to get things done

Producteev - is the task management software for teams..

Getting your design ready

Photoshop - Probably the most wide-spread option in the game industry

GIMP - Free alternative to photoshop, with plenty of features!

Inkscape - To draw mock-ups of UI’s in real-time using Google Hangout

Paint.Net - Intended as a free replacement to the basic Paint program in Windows

XnView - Free program batch process images for file conversion

Pixlr - Pixlr Editor is similar to Photoshop

Tools for 3D modelling

Anim8or - Free Very easy-to-use 3D modeling program.

Blender - Free 3D modeling with lots of great features

3ds Max - 3D software for modelling, rigging, animating and rendering

Maya - 3D software for modelling, rigging, animating and rendering

Akeytsu - Character animation & Rigging software

Let your music play

Audacity - Free Audio Editing & Recording Software

Screen Capturing

ScreenPresso - For capturing screen shots, design ideas, gameplay, mockups, errors, …

Puush - Capture screenshots of active window or a selectable area, automatically copies link

CloudShot - Screen capturing addon for dropbox

Share your files with a team

Dropbox - is a file hosting service operated by Dropbox

OneDrive - is a file hosting service that allows users to sync files and later access them by Microsoft

Google Drive - formerly Google Docs, is a file storage and synchronization service created by Google.

Do Marketing

Presskit() - is an easy way for developers to create a complete presskit for their game. Created by Vlambeer in cooperation with press and prominent developers, a well-designed presskit() increases the chances of press giving your game visibility.

Distribute() - is an easy way for developers to manage and maintain their press contact list and build distribution. Making sure that you have an up-to-date contact list and proper build distribution helps with gaining visibility for your game.

Promoter - is an easy way to keep track of press mentions and game visibility. Integrates with presskit() for optimal ease of use.

Gamespress - is an industry-standard website that allows you to quickly and easily distribute your press release to the press. An easy way to quickly reach a lot of press, very useful for ‘shotgun’-style press releases.

Here is tools that our team uses

Slack - Excellent Communication Tool.

Trello - Project management and file sharing tool

Bitbucket - Source control, issue tracker.

Dropbox - Cloud storage.

All of these tools connected to Slack. Also we keep logs of every weekly meeting and decision and tie it in with Trello cards.