Siddur Olas Tamid is a Hebrew-only, nusaḥ Ashkenaz siddur compiled by Aaron Wolf and shared under a Creative Commons Attribution license. Based upon the Siddur Tefilos Sefos Yisroel compiled by R’ Rallis Wiesenthal, Siddur Olas Tamid was laid out and formatted in open-source XeLaTeX code shared from Aaron Wolf’s github account. . . .