This is a convenient, minimal, ESV Bible reader. The backend is implemented in Janet, and it's powered by the ESV API. You can find it here.
Scripture quotations are from the ESV® Bible (The Holy Bible, English Standard Version®), copyright © 2001 by Crossway, a publishing ministry of Good News Publishers. Used by permission. All rights reserved. You may not copy or download more than 500 consecutive verses of the ESV Bible or more than one half of any book of the ESV Bible.
Note that this software is licensed under GNU GPL, in keeping with circlet/mongoose.