Among the policies on offer will be the introduction of a plan to allow renters to buy a share in their property over the course of their occupancy, eventually taking ownership after 30 years.
The party promises option to remain in the bloc if British voters reject final Brexit deal.
An early general election poses a major problem for the party - it's too soon to have had a chance to shake off the negative legacy of coalition with the Conservatives, and too soon to see how the government's negotiating strategy for leaving the European Union will play out.
We want to give all our children a brighter future in a fairer Britain where people are decent, with good schools and hospitals, a clean environment and an innovative economy.
The Liberal Democrats' manifesto has set out a number of resource policy pledges, including on waste taxes and collection targets, making it the only main United Kingdom party so far to focus on waste and recycling ahead of the General Election.
Conservative Party chairman Sir Patrick McLoughlin said: "This manifesto makes one thing abundantly clear: a vote for the Lib Dems is a vote to put Jeremy Corbyn in Downing Street".
In many ways its the revival manifesto with tax cuts, spending increases, legalisation of cannabis and few other voter-friendly polices.
The triple lock on state pensions will be protected and housing benefits for 18 to 21-year-olds will be reinstated.
The 95-page document sets out a vision of an "open, tolerant and united" Britain far removed from the "cold, mean-spirited" country favoured by the Prime Minister and ex-UKIP leader Nigel Farage, according to Mr Farron.
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Young people still living with their parents could get a loan of up to £2,000 to help them move out under plans unveiled in the Liberal Democrat manifesto today.
A diesel scrappage scheme would also be introduced which would target the older and more polluting diesel cars banning them from the roads.
"This means leaving the single market, ending freedom of movement and abandoning the customs union - even though these choices will make the United Kingdom poorer and disappoint many leave voters who wanted a different outcome".
Give almost £7 billion extra for schools and colleges including protecting per-pupil funding in real terms.
The Liberal Democrats also plan to make all urban private hire vehicles and diesel buses run on ultra-low-emission or zero-emission fuels within five years and to support the manufacture of low-emission and electric vehicles to boost jobs and exports.
Reduce the voting age to 16.
The Lib Democrats also committed to spending £6bn extra a year on NHS and social care, funded by a 1p rise in income tax.
On rail, the Lib Dems say they will "ensure that new rail franchises include a stronger focus on customers, including a programme of investment in new stations, lines and modern trains".