I loved DownThemAll, but I'm not sad to see it go because I realised how rarely it was actually needed these days. The downloading interface built into Firefox really is fine 99% of the time.
On the rarer occasions that I need to download extremely large files, I send them to an HTTP download client (pyload) that runs directly on my NAS in docker.
One thing that DownThemAll got right that I am not sure any other downloader I have found does is that if a download is terminated by the server before the reported file size of the file had been downloaded, it would see that as a failure and retry. Unreliable servers often terminate the download partway through and it seems most other download mangers, browsers etc. will just leave the truncated file on the disk and report the download as successful, not allowing you to continue from where it got to.
Yes, and I remember really appreciating DownThemAll's quite robust architecture back when I had a 1.5 megabit ADSL connection. But now that I have a 100 megabit connection at home, I'm rarely downloading anything that doesn't finish within 5 minutes. In the exceedingly rare event that a 10GB download fails, it's just not a big deal to start it again.
I didn't really use the segmented downloads feature. The important part of it for me was the fact that I could download all the files of a particular type and download URL ranges. Stuff like https://example.com/[0-999].png.
You can do that rather easily with curl (comes with Windows nowadays) or wget. Just copy the resource location of the object you want as curl command line string from developer tools (cf https://stackoverflow.com/a/33384016 ) and adjust the range (same syntax as DownThemAll) and download it manually.
![https://example.com/[0-999].png](https://example.com/[0-999].png){kind=link}
[1] https://en.wikipedia.org/wiki/DownThemAll!