Best open source alternatives to Office 365 | Best productivity suites for CIOs

Office 365 is a powerful product, but open source top productivity suites can save businesses money and developers time

Microsoft's Office365 suite dominates the productivity landscape with more than 100 million monthly active users, but claims that the product is a cheaper choice than its open source competitors should be treated with suspicion. The initial outlay on implementation and training for an open source alternative will likely be more than made up for by the saving in subscription fees.

Open source productivity suites provide an affordable alternative to Office 365 which users can modify, integrate and constantly evolve through open access to developers. The options available have improved markedly in recent years, with many including features that compete with Microsoft's market leader.

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