There many Off page SEO technique but important is that which techniques increase your ranking.These are the techniques which I am using.
1.Social Bookmarking.
2.Directory Submission.
3.Blog Submission.
4.Social Media.
5.Image Sharing.
6.Press Release.
7.Article Submission.
8.PPT/PDF Submission.

Forum posting, Blog posting, Blog commenting Classified Submission those are the major off page techniques in SEO.

Effective Off-Page SEO techniques are Writing a blog, Forum posts, Press Release, PDF submission, Article submission, social bookmarking etc.

There are many offpage techniques in SEO:

Article
Bookmarking
Classifieds
Blogging
Press Release
Forums

Take advantage of the following techniques:
+ Social media marketing
+ Q&A submission
+ Forum posting
+ Document sharing

1. Blog writing & sharing
2. Blog Commenting
3. Forum Posting
4. Ads posting
5. Directory Submissions
6. Social Bookmarking

Effective Off-Page SEO techniques are Writing a blog, Community posts, Press Release distribution, PDF discussing, Article distribution etc.

1. Forum/comment posting
2. Guest blogging
3. Contacting websites
4. Create videos/images on youtube

article submission
blog posting
blog commenting
ppt sharing
create infographic

SEO Off page is best Link building methods. Update the Fresh content.

SEO Off page activity are

Article submission
Blog submission
Classified submission
Directory submission
Question answering
Images sharing
Video sharing
Guest posting

Forum Posting
Article Submissions
Directory Submissions
Press Releases
Blog posting

Most effective off page technique are:
1. Form posting
2. Image Submission
3. Search Engine Submission
4. Article submission
5. Guest Bolgging

1. Forum posting
2. Blog Commenting
3. Directory Submission
4. PR Submission
5. Blog posting
6. Article posting
7. Question and answering like quora or yahoo

press Releases.
forum posting
business listing
ppt sharing
all are the techniques of off page seo

Some of the best off page techniques are given below

1. guest Posting

2. Forum Submission on High quality sites with high DA and low spam score

3. Blog Commenting on sites where comments will be approved

4. Social Bookmarking

5. Business Listing: Listing your business on important high quality sites

6. Directory Submissions: Submit on High quality directories

7. Quora question and answer will also help a lot in getting considerable traffic