diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -12,6 +12,10 @@ BT5 uses a cleaner approach than BT4 did; specifically, all input and lighting i
 spoken by the real IO PCBs, instead of replacing chunks of game code like BT4. The benefits of this approach are a more
 authentic gameplay experience, and easier support for a broader range of releases from each game series.
 
+## Documentation
+Browse our [documentation](doc/README.md) as it might already cover various questions and concerns
+you are looking for or about to ask.
+
 ## Contributions and bug reporting
 [Read the dedicated CONTRIBUTING.md documentation](CONTRIBUTING.md).
 
diff --git a/doc/README.md b/doc/README.md
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@@ -0,0 +1,21 @@
+# Bemanitools 5 documentation
+This folder contains various types of documentation.
+
+Table of contents:
+* Key tools
+    * [Inject](inject.md): Readme for one of BT5's key applications, `inject.exe`
+    * [Launcher](launcher.md): Readme for another one of BT5's key applications, `launcher.exe`
+    * [Tools](tools/README.md): Documentation for additional user and development tooling
+* Game hooks
+    * [ddrhook](ddrhook/README.md): Documentation relevant to `ddrhook` implementations
+    * [iidxhook](iidxhook/README.md): Documentation relevant to `iidxhook` implementations
+    * [jbhook](jbhook/README.md): Documentation relevant to `jbhook` implementations
+    * [sdvxhook](sdvxhook/README.md): Documentation relevant to `sdvxhook` implementations
+* Development
+    * [API](api.md): Available APIs for BT5 and instructions how to use them
+    * [Architecture](architecture.md): Outline of BT5's architecture, how things are designed and why
+    * [Development](development.md): Development environment, building, releasing, etc.
+    * [Developer documentation](dev/README.md): Various lose documentation/notes by developers
+    * [Tools](tools/README.md): Documentation for additional user and development tooling
+* Hardware
+    * [Hardware](hardware/README.md): Anything related to hardware, e.g. IO boards
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diff --git a/doc/dev/README.md b/doc/dev/README.md
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@@ -0,0 +1,3 @@
+# Development documentation and notes
+This folder contains various lose documentation snippets created by the developers. These can be
+helpful as future reference.
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diff --git a/doc/tools/README.md b/doc/tools/README.md
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@@ -0,0 +1,38 @@
+# Tools
+Documentation about various additional tooling that is fundamentally not required to run any of
+BT5's supported games, but provides additional features for users and developers alike.
+
+## BT5 API
+Various command line tools for quick and easy testing of BT5 API implementations witohut having
+to run any target games.
+
+* [eamiotest](eamiotest.md): `eamio` API
+* [iidxiotest](iidxiotest.md): `iidxio` API
+* [jbiotest](jbiotest.md): `jbio` API
+
+## IO related
+### ACIO
+* [aciotest](aciotest.md): Command line tool for quick and easy testing of ACIO devices without
+having to run a game.
+
+### Ezusb
+* [ezusb-iidx-fpga-flash](ezusb-iidx-fpga-flash.md): Tool for flashing the FPGA on ezusb 1 boards.
+Required if you want to run games without native ezusb support using BT5's iidxio API.
+* [ezusb-iidx-sram-flash](ezusb-iidx-sram-flash.md): Tool for flashing data to the SRAM of ezusb
+FX 2 boards. Required if you want to run games without native ezusb FX 2 support using BT5's iidxio
+API. 
+* [ezusb-tool](ezusb-tool.md): Fundamental tool for flashing the base firmware to ezusb 1/2 boards.
+Required if you want to run games without native ezusb 1/2 support using BT5's iidxio API. 
+
+### IIDX exit hooks
+Exit hooks allow you to exit the game using a combination of inputs on native IO hardware.
+
+Supported IO hardware:
+* [ezusb](iidx-ezusb-exit-hook.md)
+* [ezusb 2](iidx-ezusb2-exit-hook.md)
+* [bio2](iidx-bio2-exit-hook.md)
+
+## Misc
+* [mempatch-hook]: Hook library to dynamically apply memory address patches during runtime before
+your application starts execution. Should be prefered over hardcoded hex-edits if applicable.
+* [pcbidgen]: Command line tool to generate random PCBIDs
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