diff --git a/README.md b/README.md
index 78d6a30a..5434a6df 100644
--- a/README.md
+++ b/README.md
@@ -311,6 +311,7 @@ Table of Contents
   * [wormhol.org](https://www.wormhol.org/) — Straightforward file sharing service. Share unlimited files up to 5GB to as many peers as you want.
   * [zoom.us](https://zoom.us/) — Secure Video and Web conferencing, add-ons available. Free limited to 40 minutes
   * [shtab.app](https://shtab.app/) - Project management service that makes collaboration in the office and remotely transparent with tracker based on AI.
+  * [zdoo.co](https://www.zdoo.co) — With CRM, OA, and Project management suites, zdoo is so powerful for team collaboration. Free cloud version with limited users and space offered, one-month free trial for premium versions.
   * [Zulip](https://zulip.com/) — Real-time chat with unique email-like threading model. Free plan includes 10,000 messages of search history and File storage up to 5 GB. also it provides self-hostable open-source version.
   * [Automate.io](https://automate.io) - Simple and complex automation workflow tool with over 200+ app integrations. 300 monthly actions and 5 bots are free
   * [robocorp.com](https://robocorp.com) - Open-source stack for powering Automation Ops. Try out Cloud features and implement simple automations for free. Robot work 240 min/month, 10 Assistant runs, Storage of 100 MB.