The conservative website Parler went offline on Monday, a day after Amazon decided to suspend Parler from its web hosting service AWS.
The website will be down until it can find a new hosting partner.
Parler was founded by computer engineer John Matze and Republican donor Rebekah Mercer and launched 2018. It worked much like a Twitter with "parleys" instead of tweets.
It became the most-downloaded app in the Apple store a day after Twitter permanently suspended Trump's account before both Apple and Google cut off its access to their app stores.
On 6 January, thousands of Trump supporters violently besieged the Capitol in a bid to prevent Congress from certifying Joe Biden's election victory.
The protesters attacked police with metal pipes and chemical irritants, damaged property, seized the inauguration stage, and occupied the rotunda inside the Capitol building.