Banners and  Banner Exchanges:

123Buttons - 3:2 ratio.

AdX - 3:2 ratio, and 2000 free displays to start.

BannerBarter - 2:1. Banners for non-adult sites only.

Banner-X-Change.Net - 3:2 ratio. 1,000 free impressions for joining.

Cowley's Australian Banner Bank - Banner exchange in addition to paid banners, which require no recriprocal.

Hit Exchange - Members trade banner click-thrus at 5:4 ratio or better.

LemNet - 10:7 plus referral bonuses..

LinkBuddies - 4:3 and 500 free to join.

Nolix Banner Exchange - 2:1 ratio. Plus 2000 impressions for nonprofit or informational sites.

Power Banner - 2:1 ratio.

Smart Age - 2:1.

TradeMyTraffic! - Unlimited banners per member, several banner sizes, targeting and weighting, email reports, and downloadable stats.

Trackers and Counters:

Better Counter - A complete analysis tool within a customizable page structure.

Cyber Stats - Free and commercial versions available. Cut and paste line of code.

eXTREmE Tracker - Free version tracks single page. Premium version logs multiple pages. Easy to read graphs. Last 20 referers.

Free Stats - 20 styles to choose from. Free.

Gumball Tracker - Extensive and invisible tracking.

NedStat - Free or premium version available.

Pagecount - Free graphical counter and password protected stats.

ShowStats - Free stats and counter.

SuperStats - Free counter and detailed log stats.

TheCounter - Free counter with in-depth stats.

WebTrendsLive - WebTrends’ online freebie version. Premium version also available.

Highly recommended for search engine ranking!