We are using both external and our own scripts.
- Script to upload campaigns directly from Google Doc using SKAG structure and to set all needed settings (simplifies work so you don't need AdWords editor);
- Excel script for Excel to generate relevant expanded ads for big amount of products;
- Script to work with search report in more convenient way;
- Script to simplify work with display network campaign excluding low-performing placements;
- Bid to position using labels by Brainlab;