Bitrix24 is an excellent free online project management solution or customer relationship management (CRM) software with unlimited projects, tasks and subtasks. It includes time tracking, task automation workflows, Gantt chart, document management and task collaboration tools (e.g. group chat and video conferencing). Bitrix24 is completely free for up to 12 users. A self-hosted option is available to let you deploy Bitrix24 on premise and you can migrate from cloud to your own server at any time.
- Up to 12 users for free (unlimited users for $99 per month)
- 5 GB for free (unlimited storage is available for $199 per month)
- Unlimited projects, tasks and subtasks for free
- Cloud and On Premise options available
- Mobile tasks management is available for iOS and Android
- Open source code and API
and much more