Free Campaign Cartographer Alternatives

Azgaar's Fantasy Map Generator (FMG) is a free online tool which produces procedurally generated and highly customizable fantasy maps. You can just use auto-generated maps or create your own world from scratch.

Inkarnate is an all-in-one fantasy mapmaking platform with a free version and a huge library of assets. With Inkarnate, one can create world and region maps, city and village maps, battlemaps and interiors, as well as scenery maps.

Eigengrau's Essential Establishment Generator is a tabletop procedural generation tool for towns, NPCs and much more. It creates paragraphs of text suitable to be read directly to players during a game.

Drag and drop tile based mapping program. Multiple layers, create and import your own tilesets, scale for printing and many more features.

Map-making software for creating tactical-scale top-down battlemaps for RPGs, with a large library of ready-to-use mapping content Add-Ons (including 50 free ones!). Also works with your own artwork/bitmaps, via drag-and-drop.

Tiamat is Web 2.0 Tile Mapper; Ideal for creating miniature scale maps for role playing and miniature games.

A dungeon scrawling tool by ProbableTrain.

donjon.bin.sh is a freely accessible, online collection of random generators and other tools for pen-and-paper role-playing games. The collection provides a comprehensive range of advanced generators for creating names, demographics, maps, adventures and even entire worlds.

Mipui is an online, grid-based map editor, with focus on simplicity and collaboration - all edits appear in real-time to other viewers.

From Wizards of the West Coast, the Dungeon Tiles Mapper lets you create tiled dungeon maps online for free through your browser using a simple grid-based editor. Just select your tiles and drag them where you want them.