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diff --git a/md/writeup.md b/md/writeup.md
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+++ b/md/writeup.md
@@ -9,6 +9,15 @@
 <!--[Compile Linux Kernel](writeup/compile_linux_kernel.md)-->
 [QEMU usage](writeup/qemu_usage.md)  
 
+### Projects
+
+| Project | Description |
+| --- | --- |
+| [DataMatch](writeup/datamatch.md) | data matching language for binary files |  
+| [Radiola](writeup/radiola.md) | rtlsdr sdr experiments |  
+| [Kconf2h](writeup/kconf2h.md) | convert kernel Kconfig to *.h files |  
+| [h64e](writeup/h64e.md)       | mini hexdump like hex dumper |
+
 # Archive
 [Create ELF file from scratch](http://archive.main.lv/writeup/create_elf_file_from_scratch.html)  
 [ASCIITex ascii text formating utility](http://archive.main.lv/writeup/asciitex_ascii_text_formating_utility.html)  
diff --git a/md/writeup/datamatch.md b/md/writeup/datamatch.md
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+# DM - data match mini data language
+
+mini language to match some data in files it could be just binary file or 
+it could be some bookmarks and when data is found script output some info
+about that
+
+## Examples
+
+### Print about position in file
+
+Here how looks scripts to bookmark some position
+```
+0x01 "byte one"
+0x02 "byte two"
+```
+This could be used to bookmark stuff in files
+
+### Check bytes in position
+
+Here is example where output will tell if its 32/64bit file and with kind of
+file type it is relocatable/executable/shared/core elf.
+
+```
+0x0-0x3
+	"magic number"
+0x4
+	if (0x01) "32 bit elf"
+	if (0x02) "64 bit elf"
+0x5
+	if (0x01) "little endian"
+	if (0x02) "big endian"
+0x10
+	if (0x1) "relocatable ELF"
+	if (0x2) "executable ELF"
+	if (0x3) "shared ELF"
+	if (0x4) "Core ELF what that"
+
+```
+
+## Compiling
+
+just make should work
+
+```
+make
+```
+
+if not then probably you dont have ragel just remove it from makefile and it
+should work fine as ragel generated *.c file is allready included
+
+## Source
+
+```
+git clone http://git.main.lv/cgit.cgi/dm.git
+```
+
+or 
+
+```
+git clone https://github.com/FreeArtMan/dm.git
+```
+
+main development site is http://main.lv and main git repo is http://git.main.lv
+
+## Tested
+
+| OS | Arch |
+|---|---|
+| Linux | 32/64bit intel |
+| NetBSD | 32bit intel |
+
+## Future
+
+Future features will be added if there will practical demand for them if there
+will be some moment when they will be really needed.
+
+Could be added
+* support for if's in the row
+* add binary masks
+* generation of csv table
+* genrate c struct to embed in programms
+* genrate other languages (lua/python/sh)
+* work with pipe could cat some /dev/random or so
+* support streamed data
+* support comments
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diff --git a/md/writeup/h64e.md b/md/writeup/h64e.md
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+# h64d - hexdump analog
+
+small hexdumpl like tool currently supports:
+
+```text
+./h64d: invalid option -- '-'
+Usage: ./h64d [OPTS] <filename>
+
+ -a - asciimode
+ -b - show offset adress
+ -o - file offset
+ -i - output hex
+ -l - length of output
+
+Version: 0.1beta
+```
+
+more stuff will be added if there will be some nice use cases.
+
+## Tested
+
+| OS | Arch |
+|---|---|
+| Linux | 32/64bit intel |
+| NetBSD | 32bit intel |
+
+## Source
+
+```
+git clone http://git.main.lv/cgit.cgi/h64.git
+```
+
+## Compile
+
+just 
+
+```
+make
+```
+
+should be enought
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diff --git a/md/writeup/kconf2h.md b/md/writeup/kconf2h.md
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+# kconf2h - kernel config transltion to C headers
+
+Kernel menuconfig is cool way how to configure files and enable/disable some
+flag/constants inside source here is small tool that converts files like
+
+```text
+CONFIG_CORE=y
+CONFIG_OS_LINUX=y
+# CONFIG_OS_NETBSD is not set
+# CONFIG_FUTURE is not set
+CONFIG_DRAW=y
+CONFIG_GL=y
+CONFIG_SDL2=y
+CONFIG_TUI=y
+CONFIG_HW=y
+CONFIG_HW_LIB_ORIG=y
+# CONFIG_HW_LIB_R820T is not set
+CONFIG_HW_ALSA=y
+# CONFIG_HW_NO_AUDIO is not set
+CONFIG_MOD=y
+CONFIG_MOD_FM_DEMOD=y
+# CONFIG_PROTO is not set
+```
+
+to just c headers
+
+```text
+#define CONFIG_CORE
+#define CONFIG_OS_LINUX
+#define CONFIG_DRAW
+#define CONFIG_GL
+#define CONFIG_SDL2
+#define CONFIG_TUI
+#define CONFIG_HW
+#define CONFIG_HW_LIB_ORIG
+#define CONFIG_HW_ALSA
+#define CONFIG_MOD
+#define CONFIG_MOD_FM_DEMOD
+```
+
+doesnt support anything else except yes/no 
+
+## Tested
+
+| OS | Arch |
+|---|---|
+| Linux | 32/64bit intel |
+
+## Source
+
+```
+git clone http://git.main.lv/cgit.cgi/kconfig2h.git
+```
+
+or 
+
+```
+git clone https://github.com/FreeArtMan/kconfig2h.git
+```
+
+## Compile
+
+just 
+
+```
+make
+```
+
+should be enought
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diff --git a/md/writeup/radiola.md b/md/writeup/radiola.md
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+# Radiola - rtlsdr expermintal SDR
+
+Experimental rtlsdr software to play with small and nifty tv-tuner dongle.
+
+Now implemetend SDL2 waterfall diagramm, terminal waterfall diagramm also
+is possible to demodulate wbfm and listen to radio stations.
+
+
+## Tested
+
+| OS | Arch |
+|---|---|
+| Linux | 32/64bit intel |
+| NetBSD | 32bit intel |
+
+## Source
+
+```
+git clone http://git.main.lv/cgit.cgi/radiola.git
+```
+
+or 
+
+```
+https://github.com/FreeArtMan/radiola.git
+```
+
+## Compile
+
+For Linux should work out of the box with NetBSD needed some small tweaks.
+
+```
+make
+```
+
+for NetBSD (or any other *BSD, MacOS could work as well) just try 
+
+```
+make bsd
+``` 
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