Not necessarily obscure, still rather useful. xterm & xv remain my daily tools, and xosview is still maintained here: https://www.pogo.org.uk/~mark/xosview/ ht

Not necessarily obscure, still rather useful. xterm & xv remain my daily tools, and xosview is still maintained here: https://www.pogo.org.uk/~mark/xosview/ https://www.pogo.org.uk/~mark/xosview/