1. Remember The Milk
Create list and smart lists, set due dates and recurring tasks, prioritize your tasks & tag people you collaborate with to let them know what they need to take care of.
Free version: the free version comes with many features and could be enough especially for freelancers and individuals.
Paid version: you can upgrade to a Pro account for only $39.99/year, making it one of the cheapest tools! A Pro account comes with special features such as creating subtasks, coloring your tags, attaching files to your tasks or synchronizing your work dashboard with your Apple Watch.
2. ClickUp
Free version: the free version has pretty much everything one might need, but it might not be enough if you require a lot of customization and storage space.
Paid version: you can upgrade for $5/month and get unlimited storage, integrations and dashboards, along with many other perks.
3. Trello
Free version: the free version should be more than enough for freelancers and small companies.
Paid version: their premium plans start at $5/month and include unlimited dashboards, custom fields, advance checklists and unlimited storage, among other features.

4. Toodledo
Free version: the free version works well for one individual, but if you want to add collaborators you’ll need an upgrade.
Paid version: prices start at $2.99/month, so it’s also a very cheap option. The paid version includes subtasks, graphs, custom alarms and more.
5. Friday

Sometimes, all you need to stay focused is a good place to work, such as Locus Workspace in Prague. The Coworking space for freelancers and digital nomads.