The online Lonely Planet Destination Guide about the Republic of the Congo offers up to date travel information. This online travel guide offers broad information on several topics, but is not as informative as the books about the Republic of the Congo. You can order the Lonely Planet book online if you like the information they offer. Apart from background information about the Republic of the Congo, like info about culture, history and transport, you will also find an image gallery, travel forum (Thorn Tree Forum), maps, postcards and a nice set of travel links.
This Wikitravel guide about the Republic of the Congo is an user generated guide. You can help improve this guide by clicking on the edit button next to a travel topic. Please read the guidelines first before editing the articles. This guide provides information on the following topics: regions, cities, entry requirements, getting out, languages, eating, drinking, sleeping and health.
This World Travel Guide provides comprehensive travel information and articles about Republic of the Congo. In the menu on the left you will find guides sorted by theme. The menu on the right side provides the table of contents for Republic of the Congo: overview, adresses, facts, public holidays, health, accommodation, doing business, communications, getting there, getting around, travel advice and a lot more. You can also create a miniguide that you can print.
World66 is a nice user generated travel guide made by travelers. Every part of the travel guide can be edited directly by clicking the  button. The guide about the Republic of the Congo contains information about the following travel topics: general information, map, history, practical info, economy, health, people, books and a photo gallery.
A nice guide to Brazzaville with pictures and information about the history, governance, economy, climate, money and travel documents. The sightseeing page provides information about attractions like Parc Nationale de Odzala and Loufoulakari Falls
Excellent travelogue by Gabriel, providing a lot information about the people and their way of life, including photos and slideshows (ppt) about Congo, Brazzaville and other places like Malamine, Makana, Nkayi and Madingou.