LRailplan是一款专业的铁路平纵横设计一体化软件，覆盖新建和改建铁路全项目类型。全过程项目化管理，单元法定线，支持既有线平纵拟合重构、自定义横断面设计、点云建模等。适用于铁路、地铁等项目的线路设计。工欲善其，必先利其器！

SPCAD is a useful aid for the general workflow of engineers, geospatial professionals, architects, town planners, and manufacturers.

This app is a powerful tool developed using VB.NET that allows you to count the number of each object and export the values to an Excel file.

Calculates the Total Length and Total Area of multiple objects of selected type(s) and exports the values to an Excel file.

Leading Civil Engineering and Surveying Solution

Extract text tables from Autodesk® AutoCAD® drawings and save them as CSV files.

Pemulis Map Maker is an advanced mapping solution combining intelligent map analysis, parcel creation, advanced annotation and tabling, custom reporting, map checking, and more.

Enables configuration and use of drop-down lists in attributed block tag values and editing multiple block attributes at the same time.

Bring Google Maps into Autodesk® AutoCAD® & Civil 3D® for FREE. Instantly georeference your drawing, access key Google Earth tools, & explore your site with real-world clarity. No GIS skills needed.

Tools to add a construction note or a construction notes list, and manage the construction note list.

Tools to add a construction note or a construction notes list, and manage the construction note list.

Some special commands to work with polylines.

Text Tools provide an excellent set of productivity tools to add, edit, and manage text and mtext.

Text Tools provide an excellent set of productivity tools to add, edit, and manage text and mtext.

Inquiry Tools provide an excellent set of productivity tools to display survey information about your design.

Inquiry Tools provide an excellent set of productivity tools to display survey information about your design.

View Tools provide an excellent set of productivity tools to twist the view, control the crosshairs, and create and manage viewports.

View Tools provide an excellent set of productivity tools to twist the view, control the crosshairs, and create and manage viewports.

Populate polyline areas to block's attributes.

Convert model space title blocks to layouts

Selects all objects of the same layer / block name / object type / color as the selected object(s).

Program to easily change the layer name or name of the selected block.

Converts hundreds of international and historical physical units in an Autodesk® AutoCAD® palette.

KILOMETRICA allows you to transform the content of texts or attributes into kilometer notation, i.e. a representation of the distance in the format with the prefix "km" "kilometer"+"meters.