diff --git a/content/docs/Debian/virtualization.md b/content/docs/Debian/virtualization.md
index 08ce7af..565e545 100644
--- a/content/docs/Debian/virtualization.md
+++ b/content/docs/Debian/virtualization.md
@@ -83,4 +83,41 @@ sudo snap install sosumi
 #sudo snap remove sosumi
 ```
 
+1. Boot macOS install from macOS Base System
+2. Format Virtual Hard Drive
+
+### How to run Mac Apps on Linux?
+
+Use [DarlingHQ](https://github.com/darlinghq/darling) - https://docs.darlinghq.org/build-instructions.html
+
+```sh
+sudo apt-get install cmake clang bison flex xz-utils libfuse-dev libudev-dev pkg-config libc6-dev-i386 linux-headers-generic gcc-multilib libcap2-bin libcairo2-dev libgl1-mesa-dev libtiff-dev libfreetype6-dev libxml2-dev libegl1-mesa-dev libfontconfig1-dev libbsd-dev
+
+git clone --recursive https://github.com/darlinghq/darling.git
+
+sudo apt install clang-11
+sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)"
+sudo apt install clang-11 lldb-11 lld-11
+sudo apt install clang-11 lldb-11 lld-11
+
+sudo apt-get install libgif-dev
+sudo apt-get install libxkbfile-dev
+sudo apt-get install libpulse-dev
+
+sudo apt-get install libglu1-mesa-dev
+
+
+cd darling
+mkdir build
+cd build
+#cmake ..
+cmake .. -DCMAKE_C_COMPILER=/usr/bin/clang-11 -DCMAKE_CXX_COMPILER=/usr/bin/clang++-11
+
+make
+
+sudo make install
+
+
+```
+
 ### How to do GPU PassThrough?
\ No newline at end of file
diff --git a/content/docs/Linux_&_Cloud.md/selfhosting.md b/content/docs/Linux_&_Cloud.md/selfhosting.md
index b88a9fb..d54015c 100644
--- a/content/docs/Linux_&_Cloud.md/selfhosting.md
+++ b/content/docs/Linux_&_Cloud.md/selfhosting.md
@@ -134,6 +134,12 @@ Thanks to to [Tech-Practice](https://www.youtube.com/watch?v=HPO7fu7Vyw4&t=445s)
 
 ## Productivity
 
+* [Cal](https://github.com/calcom/cal.com)
+  * Together with a caldav / [Stripe](https://cal.com/docs/how-to-guides/how-to-set-up-an-event-type-to-receive-payments) / Signal / Matrix / Web Analytics / ...
+  * It admits [webhooks](https://cal.com/docs/core-features/webhooks)
+* [Chatwoot](https://fossengineer.com/selfhosting-chatwoot)
+  * Also allows webhooks
+
 ## Communication
 
 * Matrix Server: https://fossengineer.com/selfhosting-matrix-synapse-docker/
diff --git a/content/docs/Privacy/_index.md b/content/docs/Privacy/_index.md
index 65e6b10..57bc069 100644
--- a/content/docs/Privacy/_index.md
+++ b/content/docs/Privacy/_index.md
@@ -205,7 +205,7 @@ Well, nature of crypto is F/OSS (if it is not you better run):
 IPFS (InterPlanetary File System) is one of the foundational technologies that could serve as a backbone for Web3 due to its role in enabling decentralized storage and access to data across the internet. 
 
 PFS provides the infrastructure necessary for developing and hosting decentralized applications.
-<iframe width="560" height="315" src="https://www.youtube.com/embed/xsvTEzTirlQ" frameborder="0" allowfullscreen></iframe>
+<iframe width="560" height="315" src="https://www.youtube.com/embed/rOtMGJVp2MU" frameborder="0" allowfullscreen></iframe>
 
 {{% details title="Filecoin" closed="true" %}}
 
@@ -219,6 +219,8 @@ PFS provides the infrastructure necessary for developing and hosting decentraliz
 
 Filecoin introduces cryptographic proofs to ensure files are stored correctly and securely. These include Proof of Replication (PoRep) and Proof of Spacetime (PoSt), which verify that data is being stored as intended over time.
 
+> You can also check [Arweave](https://www.arweave.org/)
+
 {{% /details %}}