Twitter’s plan to charge for crucial tool prompts outcry

In the aftermath of the devastating earthquake in Turkey and Syria, thousands of volunteer software developers have been using a crucial Twitter tool to comb the platform for calls for help — including from people trapped in collapsed buildings — and connect people with rescue organizations.

They could soon lose access unless they pay Twitter a monthly fee of at least $100 — prohibitive for many volunteers and nonprofits on shoestring budgets.

“That’s not just for rescue efforts which unfortunately we’re coming to the end of, but for logistics planning...