Krita. Krita is a professional FREE and open source painting program. It is made by artists that want to see affordable art tools for everyone.
GIMP. GIMP - The GNU Image Manipulation Program: The Free and Open Source Image Editor
It all starts with Sketch. A home for the entire collaborative design process.
Pixelmator Pro. Pixelmator Pro is a powerful, beautiful, and easy to use image editor packed full of innovations.
FileZilla - The free FTP solution. FileZilla - The free FTP solution for both client and server. Filezilla is open source software distributed free of charge.
FileZilla ftp sftp client server open source
PuTTY: a free SSH and Telnet client
WinSCP. WinSCP is a free SFTP, SCP, Amazon S3, WebDAV, and FTP client for Windows.
sftp client scp client ftp client windows secure file transfer ftp freeware
GitHub: Where the world builds software. GitHub is where over 65 million developers shape the future of software, together. Contribute to the open source community, manage your Git repositories, review code like a pro, track bugs and feat...
Bitbucket | The Git solution for professional teams. Collaborate on code with inline comments and pull requests. Manage and share your Git repositories to build and ship software, as a team.
Iterate faster, innovate together. Our open DevOps platform is a single application for unparalleled collaboration, visibility, and development velocity.
Grunt: The JavaScript Task Runner
Duo
DUO - Lifetime Technology and Gadget Master -
Trello. Infinitely flexible. Incredibly productive for teams of all sizes. Trello manages everything, from big project details to micro tasks. Collaborate anywhere, even on mobile.
Manage your team’s work, projects, & tasks online • Asana. Work anytime, anywhere with Asana. Keep remote and distributed teams, and your entire organization, focused on their goals, projects, and tasks with Asana.
Replace all over the place with ONE place.. Basecamp is the calm, organized, all-in-one way to work remote.