wildduck — Email (Open Source)

wildduck is an open-source Email solution. Compare it against 12 other Email tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is wildduck?

wildduck is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under Email. Buyers typically evaluate wildduck when they need a dependable Email option and want to weigh the trade-offs between free, open-source and paid tools before committing.

• Category: Email
• License: Open Source

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Frequently asked questions

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