Your Open Source Solution For Unified Comunnications And More… Your Open Source Solution For Unified Comunnications And More…Issabel™ is a free and open source software that allows you to build communication tools for businesses.
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Issabel
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| # | Image | App Name | Features | Platforms | Price | Website Link |
| 2 |  | Wazo | Mac Windows Self-Hosted Linux | Free | Website | |
| 3 |  | FusionPBX | Linux BSD | Free | Website | |
| 4 |  | Elastix | Linux | Freemium | Website |
