Journals
Forum Geometricorum. A Journal on сlassical Euclidean geometry and related areas.
The Mathematical Gazette. Journal for school teachers, college and university lecturers, educationalists and others with an interest in mathematics.
Forums and on-line encyclopedias
Hyacinthos. Yahoo Group devoted to question about Triangle Geometry.
Encyclopedia of Triangle Centers. On-line list of more than 3,000 points or “centers” associated with the geometry of a triangle. It is maintained by Clark Kimberling.
Cubics in the Triangle Plane. Bernard Gibert's site devoted to cubics related with triangle.
Art Of Problem Solving. Educational resources with popular geometric forum.
Olympiad
Geometrical Olympiad in Honour of I.F. Sharygin. Geometric Olympiad for high-school students.