- 4to40 - Make new friendships by email.
- acePAL.com - Meet new people for friendship on the internet
- Akiko's Pen Friends Park - Post your message, browse listed ads, and find new friends
- Claire's Pen Pal Page - Find penpals from all around the world or place an ad yourself. Free.
- Cultural Correspondence - A site to match international correspondents and to share cultural information.
- Dolphin International - Free listing of e-mail friends
- EasyPenpals.com - Lists ads by interest categories.
- Hands Across the World - Offers an easy-to-use method to find international penpals.
- Iceangel95694's Pen Pal & Swapping Page - Browse the ads or post your own to find new friends
- InterPals Penpal Net - Search to find other users or register free. Includes chat.
- Kampmeyer.de - Online penpal community
- Mailfriends - Find friends and participate in the online community.
- Mailfriends.de - Site with both English and German versions that facilitates friendship-building through e-mail. Compulsory registration
- Meissner 2000 Penpal Center - Find a penpal around the world, males and females from age 10 to 80.
- My Wavelength - Share ideas and experiences with like-minded people. Discuss everything from health related issues to taking up a new hobby.
- Pallies - With sections for e-mail, postal, and swapping pals.
- PenPal Garden - Bringing people of similar interests together.
- Penpal International - A service to let you make friends from all over the world by email or regular post.
- Penpal net Japan - Japanese site with English version that has international listings.
- Penpal Party - Search for a penpal or add your listing free. Section for teachers.
- Penpal Post - Penpals, epals, sms buddies and swappers from all over the world. Add or browse the listings free
- PenPal!World - Penfriends available from at least 177 countries worldwide
- Penpals All Around - Find email and snail mail pals using the listings on this site. Categorized by gender and age.
- PFAOTW - Search by country, locality and/or age.
- Sassociations - Site devoted to friendships with message board and chat
- Signal Penpal Magazine - The online homepage of this print magazine.
- Students of the World - Site has cultural information (geography, maps, statistics, photos...) on countries through interactive maps, plus penfriends
- The Soap Box - A place to find international penpals
- Email Pals (12)
- Snail Mail (18)
