Editorial Calendar – This is probably the most important tool you need for content marketing – an editorial calendar. This post on Content Marketing Institute walks you through how to create an editorial calendar for your content marketing efforts, and even includes a handy template you can use.
Bubbl.us – This is a very easy-to-use tool for brainstorming and creating mindmaps. I use it for mapping out different content and blog post types to include in my editorial calendars.
Google Drive – Formerly Google Docs, Google Drive is a great place to keep your editorial calendars for easy sharing and collaboration during the content planning process.
Trello – Organization is key when it comes to producing content. Trello is a collaboration tool that organizes your projects into boards, and can help you organize your content projects from start to finish.
Podio – Podio is a project management tool, and can help you keep your content projects in check much the same way as Trello – with the added bonus of nifty Apps you can add it and use for different functions (like collaboration and research).