一个开源软件pwntcha ，作者是sam Hocevar 称看到现在市面上那么多卖验证码破解程序的，他改变初衷，把代码全部公布出来。虽然是三年前技术，但是还有很有意义，因为他超强的识别能力了（好多项都是 100%）。你可以在官网是用svn

Packet : pwntcha.zip filelist
pwntcha/
pwntcha/.gitignore
pwntcha/AUTHORS
pwntcha/bootstrap
pwntcha/ChangeLog
pwntcha/configure.ac
pwntcha/COPYING
pwntcha/extras/
pwntcha/extras/font_linuxfr.php
pwntcha/extras/getphpbbcaptcha.py
pwntcha/extras/Makefile.am
pwntcha/extras/makefont.c
pwntcha/extras/NOTES
pwntcha/extras/usercp_confirm.php
pwntcha/Makefile.am
pwntcha/NEWS
pwntcha/README
pwntcha/share/
pwntcha/src/
pwntcha/src/authimage/
pwntcha/src/authimage/decoder.c
pwntcha/src/authimage/font.png
pwntcha/src/authimage/Makefile.am
pwntcha/src/clubic/
pwntcha/src/clubic/decoder.c
pwntcha/src/clubic/font.png
pwntcha/src/clubic/Makefile.am
pwntcha/src/common.h
pwntcha/src/easter-eggs.c
pwntcha/src/filter.c
pwntcha/src/font.c
pwntcha/src/image.c
pwntcha/src/java/
pwntcha/src/java/decoder.c
pwntcha/src/java/Makefile.am
pwntcha/src/linuxfr/
pwntcha/src/linuxfr/decoder.c
pwntcha/src/linuxfr/font.png
pwntcha/src/linuxfr/Makefile.am
pwntcha/src/livejournal/
pwntcha/src/livejournal/decoder.c
pwntcha/src/livejournal/Makefile.am
pwntcha/src/lmt/
pwntcha/src/lmt/decoder.c
pwntcha/src/lmt/freesans_24_09AZ.bmp
pwntcha/src/lmt/Makefile.am
pwntcha/src/main.c
pwntcha/src/Makefile.am
pwntcha/src/paypal/
pwntcha/src/paypal/decoder.c
pwntcha/src/paypal/Makefile.am
pwntcha/src/paypal/stencil_23_AZ.bmp
pwntcha/src/paypal/stencil_24_AZ.bmp
pwntcha/src/phpbb/
pwntcha/src/phpbb/decoder.c
pwntcha/src/phpbb/font.png
pwntcha/src/phpbb/Makefile.am
pwntcha/src/scode/
pwntcha/src/scode/decoder.c
pwntcha/src/scode/Makefile.am
pwntcha/src/slashdot/
pwntcha/src/slashdot/decoder.c
pwntcha/src/slashdot/font.png
pwntcha/src/slashdot/Makefile.am
pwntcha/src/test.c
pwntcha/src/ticketmaster/
pwntcha/src/ticketmaster/decoder.c
pwntcha/src/ticketmaster/Makefile.am
pwntcha/src/tickets/
pwntcha/src/tickets/decoder.c
pwntcha/src/tickets/font1.png
pwntcha/src/tickets/font2.png
pwntcha/src/tickets/font3.png
pwntcha/src/tickets/font4.png
pwntcha/src/tickets/font5.png
pwntcha/src/tickets/font6.png
pwntcha/src/tickets/font7.png
pwntcha/src/tickets/font8.png
pwntcha/src/tickets/Makefile.am
pwntcha/src/vbulletin/
pwntcha/src/vbulletin/decoder.c
pwntcha/src/vbulletin/font.png
pwntcha/src/vbulletin/Makefile.am
pwntcha/src/xanga/
pwntcha/src/xanga/comic_24_az_messed.bmp
pwntcha/src/xanga/comic_32_az.bmp
pwntcha/src/xanga/decoder.c
pwntcha/src/xanga/freemonobold_24_az.bmp
pwntcha/src/xanga/freemonobold_32_az.bmp
pwntcha/src/xanga/freesansbold_32_az.bmp
pwntcha/src/xanga/freesansbold_36_az_messed.bmp
pwntcha/src/xanga/Makefile.am
pwntcha/src/xanga/x_comic_24_az_messed.bmp
pwntcha/src/xanga/x_comic_32_az.bmp
pwntcha/src/xanga/x_freemonobold_24_az.bmp
pwntcha/src/xanga/x_freemonobold_32_az.bmp
pwntcha/src/xanga/x_freesansbold_32_az.bmp
pwntcha/src/xanga/x_freesansbold_36_az_messed.bmp

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．