If you using mac and like to have post editing of digital photo, Definitely worth to try:
http://www.macromedia.com/cfusion/entitlement/index.cfm?e=labs_lightroom

A free (until beta period finish) competitor of Aperture. The auto tuning work excellent. However, there is no plugin yet and require highend machine to work smooth. It take 400MB RAM for just a few RAW photo and it work like a dog on my poor mac mini. This is the first time of this 5 years I wish to have a better machine

Resource: 
http://labs.macromedia.com/technologies/lightroom/
http://www.macromedia.com/cfusion/webforums/forum/index.cfm?forumid=72
http://www.macromedia.com/go/labs_rss

http://www.mikkolagerstedt.com/blog/2015/11/3/5-steps-to-work-like-a-pro-in-lightroom


Lightroom教學: 進階設定七件事 - http://wlcreative.com/blog/lightroom%E6%95%99%E5%AD%B8-%E9%80%B2%E9%9A%8E%E8%A8%AD%E5%AE%9A%E4%B8%83%E4%BB%B6%E4%BA%8B/

裁剪與校正 - https://digiphoto.techbang.com/posts/9716-post-system-teaching-lightroom-late-foundation-lesson-6

如何用自然光拍攝有溫度的逆光照片？ - https://digiphoto.techbang.com/posts/9725-how-to-use-natural-light-to-take-a-temperature-backlight-photo-6-big-questions-once-solved https://digiphoto.techbang.com/posts/9726-how-to-use-natural-light-to-take-a-temperature-backlight-photo-post-processing-next

輕鬆搞定大光比，8步驟打造青海經幡唯美人像 - https://digiphoto.techbang.com/posts/9738-easy-to-handle-the-great-light-than-later-to-create-the-qinghai-sutra-fan-beautiful-portrait

https://digiphoto.techbang.com/posts/9906-how-do-i-use-lightroom-to-pull-out-a-nice-black-and-white-photo

讓後製處理效率事半功倍的快捷鍵 - https://digiphoto.techbang.com/posts/9979-shortcuts-that-make-post-processing-more-efficient-and-do-more-with-less