The PDF for Siddur Olas Tamid is downloadable for free. It is available by means of a Creative Commons licence. If you find any errors please go to the Errors Page and submit an Error Report.
Siddur Olas Tamid by Aaron Wolf is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at http://opensiddur.org/siddurim/ashkenaz/siddur-bnei-ashkenaz-a-german-rite-siddur-prepared-by-r-rallis-wiesenthal/.